This scientific experiment requires a great deal of ．( )A．cencentrationB．concentrateC．concentraionD．concentration 题目和参考答案——青夏教育精英家教网—

题目内容

14．This scientific experiment requires a great deal of _____．（　　）

A．

cencentration

B．

concentrate

C．

concentraion

D．

concentration

分析科学实验需要非常地专心．

解答答案是D．本题考查单词拼写．A和C项拼写错误；B项为动词，表示"专心于；集中"；C项是名词，表示"专心，集中"；根据句子结构，题干中需要的是名词"专心"，所以答案选择D项．

点评本题考查名词词义辨析，考生在平时的学习中应注意积累相应的词汇和搭配，并牢记其意思．在做题时，将词义和题干相结合，从语法、句子结构尤其是句意上去判断，句意通顺，符合逻辑，即正确答案．

练习册系列答案

相关题目

4．Our lifestyles today are very busy．We have family，school，sports，entertainment and social activities to fit into a time that seems never enough．We need to be healthy to meet the demands of daily life．But what does it mean to have a healthy lifestyle？
To have a healthy lifestyle，we need to：
◆eat different kinds of healthy food most of the time
◆do exercise often
◆have time to relax
◆get enough sleep to give our bodies time to grow healthy and strong
Read about a normal day in the lives of two children．
Abbey gets up at 7：00 am，feeds the dog，and has cereal and a glass of juice for breakfast．She walks to school with her friend，Julia．She has a bag of chips for a morning snack，drinks water，and has a chicken and lettu ce sandwich with a banana for lunch．She likes to play soccer with her friends at lunch and morning break time．She walks home with Julia，has some crackers with cheese and juice for afternoon snack and plays with the dog for a while．She plays computer games for an hour or two before dinner，then has a shower and does her homework．She watches her favorite television show for an hour，then usually goes to bed at about 9：30 pm．
Carl gets up at 8：30 am and has two pieces of bread with jam and a glass of milk for breakfast．His mother drives him to school on her way to work．He eats cookies with juice for morning snack and a pot pie ordered from the school lunch room with juice for lunch．He likes to play card games with his friends at lunchtime and climb the fixed equipment at morning break time．He catches the bus home，has a cereal bar and a can of soda for afternoon snack，then watches some television．He has a shower before dinner，then plays the computer for an hour or two．He goes to bed at about 10：30 pm．
No matter which kind of lifestyle you agree on，just remember it's important to balance all aspects of life．
11．About a healthy lifestyle，the writer doesn't talk aboutD．
A．diet B．exercise C．relaxation D．medicine
12．What can we learn from the article？A
A．Abbey plays soccer with her friends at school．
B．Abbey does her homework first after school．
C．Carl goes to school by bus every day．
D．Carl has a juice for breakfast．
13．Where is the article probably from？A
A．A health magazine．
B．A clothing website．
C．A sports guidebook．
D．A travel advertisement．

5．Where did the man go last night？
A．He went to the theatre．
B．He went to the film．
C．He was at home with his guest．

2．When does the bank close on Saturday？
A．At l：00 pm．
B．At 3：00 pm．
C．At 4：00 pm．

9．Last week my cousin submitted his essay ，which made the professor very happy．（　　）

19．_________ the painters who broke way from the traditional style of painting ________ the impressionists，who lived and worked in Paris..（　　）

6．People who believe in God have no doubt about the ______ of God．（　　）

3．How is the man going to Pittsburgh？
A．By taxi． B．By train．
C．By subway．

4．How much will they spend on the amusement park tickets？
A．＄35．B．＄40．C．＄45．

试题分类