题目内容
6．-I won't get good grades_______ I study hard．-That's ______ everyone is trying his best to prepare for the exam．（ ）
| A． | until； why | B． | unless； when | C． | unless； why |
分析 -除非努力学习，否则我将不会取得好成绩．
-那就是为什么每个人都在尽力准备考试．
解答 从句意可以知道，这里缺少的是unless，否则，要不然的意思，when是何时的意思，why是为什么的意思，故选C．
点评 本题是考查连词的用法，首先是要掌握连词的意义和用法，其次是要熟悉一些必要的句子结构．
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相关题目
17．---Could you ___________ the computer for me，dear？I want to check my e-mails．
---Certainly，I'll do it right away．（ ）
---Certainly，I'll do it right away．（ ）
| A． | turn on | B． | turn down | C． | turn off | D． | turn up |
1．There was somethig wrong with the line．We couldn't ______ each other clearly．（ ）
| A． | listen | B． | sound | C． | hear | D． | speak |
11．-Would you mind ______ now？It's already midnight．
-Sorry，I won't．（ ）
-Sorry，I won't．（ ）
| A． | not singing | B． | not to sing | C． | don't sing |
14．判断正（A）误（B）题
An important part of learning something is making sure you plan your time and use it well．If you want to remember things well，you need to review information you've learned．Try to follow the advice：
21．When learning something，you'd better make a plan first．A
22．Make sure to review as much as possible every time．B
23．You'll feel more awake after a 45-minute break while studying．B
24．If you worry too much，you can't learn well．A
25．You should stay up late the night before exams．B．
An important part of learning something is making sure you plan your time and use it well．If you want to remember things well，you need to review information you've learned．Try to follow the advice：
| DO | DON'T |
| ●Make a study timetable at least three weeks before your exams and follow time to relax and have fun． ●Review little and often． ●While you're studying，have short regular breaks．A short break every 45minutes is good idea．Stand up and walk around-you will feel more awake． ●Try making a weekly plan showing what you do every day（school，travel，meals，etc）．You might see where you're wasting time that you could use to study or read． | ●Study for hours every night a week before your exam!Studying for hours the night before will make you tired and your brain won't work well． ●Study for a long period of time without a break．You probably won't remember information very well if you do this ●Worry too much．If you feel nervous，you won't learn as well as if you're relaxed． |
22．Make sure to review as much as possible every time．B
23．You'll feel more awake after a 45-minute break while studying．B
24．If you worry too much，you can't learn well．A
25．You should stay up late the night before exams．B．