[化] 铈酸盐氧化还原滴定法

Good Ideas What makes an idea a good idea? 1 Ben and his younger sister, Kate, were helping their father in the kitchen. Mom will be surprised when she comes home from work, said Ben. 2 This was a great idea, said Ben's dad. 3 Soon they heard the sla

发表于:2018-12-06 / 阅读(164) / 评论(0) 分类 苏斯博士Dr.Seuss经典童书绘本

Come on,Tim Tim looked at the fort. He saw Michael and Anna playing on it.They climbed up the ladder and came down the pole. Tim went to the fort. He saw Michael and Anna climbing up.Tim climbed up,too. He climbed up to the top of the fort. Michael w

发表于:2018-12-06 / 阅读(179) / 评论(0) 分类 Cherry老师讲英文故事

Late for soccer Toot-toot.Tim woke up and looked out of the window. Oh,no!he shouted.It's soccer today!Michael's dad is here now! Tim opened the window.I'm coming!he shouted to Michael. Mom!Mom! Wake up! Help me! I'm late for soccer. Where are my soc

发表于:2018-12-06 / 阅读(251) / 评论(0) 分类 Cherry老师讲英文故事

Locked out Mom came home after work. Sally came home with her. Mom looked in her bag. Where's my key?said Mom.It's not here! We are locked out! Is a window open?Said Sally. No,said Mom. All the windows are shut. Mrs. James next door has a key,said Sa

发表于:2018-12-06 / 阅读(214) / 评论(0) 分类 Cherry老师讲英文故事

The lion and the mouse One day, a little mouse jumped onto a sleeping lion. The lion woke up. Got you! he said. Eee-eee! said the mouse.Please let me go! Please let me go! One day I may help you. Ha-ha-ha, laughed the lion.A little mouse like you can

发表于:2018-12-06 / 阅读(260) / 评论(0) 分类 Cherry老师讲英文故事

1.A LOOK Back Read the story to find out the kind of show Ben works on. 1 This is great! Hurry, Ben, and sit down to watch this tape of last year's show. Your part is almost on. Said Robert. 2 Ben was feeling his way into the dark room when he bumped

发表于:2018-12-06 / 阅读(220) / 评论(0) 分类 Cherry老师讲英文故事

The fox who foxed Mr and Mrs. Fox had five little foxes. One day Mrs. Fox said, I am so hungry, but I have to stay at home with my babies. I will get you a rabbit to eat, said Mr. Fox. Mr Fox said, I can't see any rabbits. I'll see if I can find a fa

发表于:2018-12-06 / 阅读(250) / 评论(0) 分类 Cherry老师讲英文故事

Ben's tooth Ben was eating an apple at school, ow! he said. Oh, look! My tooth has come outand here it is, in my apple! Ben went to show his teacher. Look, Mrs. Green, he said, My tooth has come out. Here's a little box to put it in, said Mrs, Green.

发表于:2018-12-06 / 阅读(224) / 评论(0) 分类 Cherry老师讲英文故事

Pete Little The Little had a green and yellow parakeet.His name was Pete. Clever Pete,said Jonathan Little to the parakeet,and the parakeet said,Clever Pete,back to Jonathan. I want my parakeet to say his name and address,said Jonathan.Pete,say...I a

发表于:2018-12-06 / 阅读(227) / 评论(0) 分类 Cherry老师讲英文故事

The clever penguins The Penguins had a nest with two big white eggs in it. Mother Penguin sat on the eggs day after day.Father Penguin went fishing. One day Father Penguin came back.Here I am,he said to Mother Penguin. You must be hungry.I'll sit on

发表于:2018-12-06 / 阅读(249) / 评论(0) 分类 Cherry老师讲英文故事

Brave Triceratops Thump,thump...Big hungry Tyrannosaurus Rex came thumping down the hill. He liked to eat dinosaurs. Thump, thump. Thump, thump. Tyrannosaurus Rex is coming! said the little dinosaurs. They ran to hide in the trees. Tyrannosaurus Rex

发表于:2018-12-06 / 阅读(245) / 评论(0) 分类 Cherry老师讲英文故事

Candle light Ben,it's dinner time,said Mom,one wet day.I'm coming,said Ben. Then all the lights went out.Help! I can't see you,said Ben. I'm here by the window,said Mom.Ben went to the window and he looked up the road at the houses. No one had a ligh

发表于:2018-12-31 / 阅读(242) / 评论(0) 分类 Cherry老师讲英文故事

In the Days of the Dinosaur The Dinosaur Chase By Hugh [hju:] Price One day, Big Dinosaur chased Little Dinosaur into a hole in a rock. Big Dinosaur was very hungry. He sat and waited for Little Dinosaur to come out, Big Dinosaur went on waiting for

发表于:2018-12-31 / 阅读(251) / 评论(0) 分类 Cherry老师讲英文故事

Pepper's adventure One day Dad came home with two pet mice in a little cage. Sarah loved them. She called the brown one Pepper and the white one Salt. Dad made a big new cage for Pepper and Salt. It had a wheel and a ladder and a room upstairs. Sarah

发表于:2018-12-31 / 阅读(288) / 评论(0) 分类 Cherry老师讲英文故事

The island picnic Every Saturday Sally goes to see her father. One Saturday Sally said, Can we go out in a boat today? Yes, let's do that, said Dad, Come on, Red Boy. You can come too. Dad, Sally, and Red Boy went up the river in a boat. They came to

发表于:2018-12-31 / 阅读(238) / 评论(0) 分类 Cherry老师讲英文故事

The little red bus One day the little red school bus broke down on the way home. The mothers and fathers had to come in cars to get the children. The next day a truck towed toh the little red bus to the garage. The children went to school in a new ye

发表于:2018-12-31 / 阅读(245) / 评论(0) 分类 Cherry老师讲英文故事

ENVIRONMENT REPORT-January 4, 2002: Mystery Squid By Cynthia Kirk Squid found in the Indian Ocean (Photo -NOAA/Science) This is the VOA Special English ENVIRONMENT REPORT. Scientists have discovered a

发表于:2019-01-09 / 阅读(145) / 评论(0) 分类 健康与环境

Kids Making Horror Movie Uncover Mystery in 'Super 8' Writer-director J.J. Abrams teams up with producer Steven Spielberg for a sci-fi adventure set in the 1970's about kids who dream of making movies when they grow up. Things get exciting when their

发表于:2019-01-14 / 阅读(164) / 评论(0) 分类 VOA标准英语2011年(六月)

古人云,少壮不努力,老大背单词。各位挣扎在红黄蓝黑各种宝书中的同学或许要问,这单词要背到什么时候才算够?我们不妨来看看外国人的词汇量是多少。 Britains Guardian newspaper, in 1986, e

发表于:2019-01-17 / 阅读(150) / 评论(0) 分类 阅读空间

By Lisa Schlein Geneva 12 September 2006 United Nations disaster-management experts have gone to Ivory Coast to help with the investigation of a toxic waste dumping incident that has left at least six people dead and thousands ill. ----- A man point

发表于:2019-02-01 / 阅读(200) / 评论(0) 分类 2006年VOA标准英语(九月)
学英语单词
AAML
acanthoclinid
accelerating potenial
account receivable leger
angioplasties
anricular fissure
apt construction
aquaporins
baileyana
basic cobaltous chromate
Bergmann's rule
big power station
calcipete
calumnious
Carex peliosanthifolia
cat brier
clemencia
closed array
commercial staff and workers troops
commissural impetigo
copper plated
crown wheel rocker
Cynanchum megalanthum
Cyprus cedar
Deykalovka
disruptive flows of capital
dysbarism
en echelon joint
end mounted bearing
ens reale
eristic science
flow turbulence
free receptor
garden and landscape design
gauss precision weight
go off at the deep end
grip for threaded and shouldered specimen
have contact with
icm
in gusts
Ingoldmells Point
interstitial segment
jewellries
Jolsonian
Kit.
kumquat jelly
lower bound expression
marine abrasion landform
marumba saishiuana formosana
monodral
multen
Mφnsted
nipple taper hole boring machine
nonisolated essential singular point
online-shopping
order wire signal
outer packing
owl light
page image
phoxinuss phoxinuss
piercer plunger
pilgrimage festival
pitch fibrepipe
plain grinding wheel
point lace
pontocythere minuta
pressure release material
pupusa
raising plate
removal of foreign body in abdominal wall
scientific training
Sculder
sea bears
sedany
self deceive
semi liner
shadyside
shootout
sigmoid flexures
six-to-eight
speed signal
splitting die
steeled
straight-line approach
stub-switch
system dynamicist
tabanus administrans
taiwanoserica niitakana
Tashelka
tetragonal bisphenoid
thumb-a-war
toss into the wastebasket
tropic pack
tyre-marks
ultraviolet mutation
unavailable water
Vertebrae lumbares
vigorous fire
Vila Arriaga
wave face
wayans
woodwork