the meeting should last two days or three days doesn't matter．( )A．ThatB．WhetherC．IfD．Where 题目和参考答案——青夏教育精英家教网—

题目内容

7．____the meeting should last two days or three days doesn't matter．（　　）

A．

That

B．

Whether

C．

D．

Where

分析会议是否持续两天还是三天没关系．

解答答案：B 考查主语从句．If 意为"是否"不能引导主语从句，要使用Whether．whether…or…意为"是…还是…；或者…或者…"．

点评考查主语从句，首先，弄清楚主语从句的构成；其次，根据句意确定连接词，连接代词或连接副词；最后，根据句意选择最合适的选项．

练习册系列答案

18．As each semester begins，my colleague greets his students wearing a jacket and tie．
"You make only one first impression，"he says．So while the rest of the semester he teaches class in his usual，more casual clothes，the first week he presents a different image．
His thought is that students will remember their first meet positively and more readily think highly of him as the semester goes on because that favorable first impression has an influence on them．
The sequence （顺序） that we meet matters in how we judge subsequent （后来的） information．The big influence of first impressions is related to the halo effect，where the perception （看法） of positive qualities in one thing or part gives rise to the perception of similar qualities in related things or in the whole．
Here is an example：You meet a friendly person at a party and later are asked to collect money for a worthy cause．You call that person because you think she will make a contribution．In reality，there is no connection between being pleasant and being generous．Yet the halo effect leads you to think that the two are related．
The halo effect is powerful，but it is questionable whether it matters much in long-term relationships，such as that between teacher and student．While dressing up may make students think the teacher must know his subject matter because he creates a professional first impression，the effect wears thin if the person turns out to be a poor t eacher after all．
First impressions matter but they don't have the final word．Facts speak louder．If you had never seen or heard of Einstein，the first time you saw him your impression would most likely be negative．Now his face is connected with genius （天才），not madness because he is the person who has come to define what genius is．
The problem is that few of us are Einsteins and we often don't get the chance to change a negative first impression．
12．The author explains th e halo effect mainly byD．
A．following the order of importance
B．making a comparison
C．setting down general rules
D．giving an example
13．In the author's eyes，the halo effectD．
A．is surprisingly powerful
B．matters more in the long run
C．makes some teachers irresponsible
D．may affect our judgment of others
14．The author uses the example of Einstein to show the importance ofC．
A．appearance
B．impressions
C．truth
D．fairness
15．The author seems to advise readersC．
A．not to follow others'judgments
B．not to judge a book by its cover
C．to mind their first impressions
D．to pay no attention to the halo effect．

15．Actually you can make learning English a process，________ you can not only learn much knowledge but also interesting cultures．（　　）

2．When we analyze the salt salinity （盐浓度） of ocean waters，we find that it varies only slightly from place to place．Nevertheless，some of these small changes are important．There are three basic processes that cause a change in oceanic salinity．One of these is the subtraction （减少） of water from the ocean by means of evaporation （蒸发）．In this manner，the salinity is increased，since the salt stays behind．If this is carried to the extreme，of course，white salt would be left behind； this，by the way，is how much of the table salt we use is actually obtained．
The opposite of evaporation is precipitation，such as rain，by which water is added to the ocean．Here the ocean is being diluted （稀释） so that the salinity is decreased．This may occur in areas of high rainfall or in coastal regions where rivers flow into the ocean．Thus salinity may be increased by the subtraction of water by evaporation，or decreased by the addition of fresh water by precipitation．
Normally，in hot regions where the sun is very strong，the ocean salinity is somewhat higher than it is in other parts of the world where there is not as much evaporation．Similarly，in coastal regions where rivers dilute the sea，salinity is somewhat lower than in other oceanic areas．
A third process by which salinity may be altered is associated with the formation and melting of sea ice．When seawater is frozen，the dissolved materials are left behind．In this manner，seawater directly beneath freshly formed sea ice has a higher salinity than it did before the ice appeared．Of course，when this ice melts，it will tend to decrease the salinity of the surrounding water．
In the Weddell Sea，the densest water in the ocean is formed as a result of this freezing process，which increases the salinity of cold water．This heavy water sinks and is found in the deeper portion of the oceans of the world．
60．This passage mainly tells us aboutB．
A．the analysis of the salinity of ocean waters
B．the causes of the variation in oceanic salinity
C．the importance of the changes in oceanic salinity
D．the different forms of salts in ocean waters
61．It can be known from the passage that increase in the salinity of ocean water is caused byC．
A．melting of sea ice
B．precipitation
C．evaporation
D．supplement of salt
62．Which of the following is not the cause of the decrease in the oceanic salinity？C
A．Precipitation．
B．Rain and snow．
C．Formation of ice．
D．Addition of water by rivers．

12．Parents whose children think the latest Nike or Adidas shoes may be better than buying old-fashioned plimsolls （橡胶底帆布鞋） because they encourage a healthier style of running，researchers said．
Big companies，like Nike and Adidas，make millions of dollars from selling highly-cushioned shoes（厚增高的运动鞋） both as fashion and sports shoes．The researchers warn that wearing such shoes from an early age can make it difficult to run in a healthy way．Once we have grown used to running in this kind of shoes，it is very difficult to change our technique，even if we remove our shoes，it can raise the risk of injury．
Children should be encouraged to wear shoes with thin soles such as plimsolls from a young age to help them develop a natural"barefoot"running style，experts said．
Dr Mick Wilknson，who did the research，told the British Science Festival in Newcastle，"If I would advise someone on what to give their child，I would say don't go and buy them expensive Adidas or Nike，just get them a pair of flexible，flat shoes．Give them basic foot-ware，nothing fancy，nothing particularly cushioned．"
Running in flat shoes，barefoot，encourages the runner to use the front of their foot which is a better technique for running，especially long distances as the human was designed to do．
Around the world，and in particular in the US，running barefoot is becoming more and more popular with many long distance runners training without shoes．
Dr Mick Wilknson believes that training and running barefoot or in flat running shoes can help reduce injuries to runners，he said："Injury rates in running have not changed since the 1970s，despite claims of improvements in running shoes．That has led some to conclude that barefoot running is better．"

29．What does the second paragraph mainly tell us？B
A．Nike and Adidas are producing low-quality trainers．
B．It is improper to wear hi-tech Trainers at an early age．
C．It is unnecessary to buy hi-tech Trainers at an early age．
D．Hi-tech Trainers are too expensive for ordinary people to afford．
30．Why are people advised to wear plimsolls？C
A．They have a new fashion
B．They have better quality．
C．They are healthier．
D．They are cheaper．
31．What can we infer according to Dr Mick Wilknson？B
A．Shoes industry is gradually declining（下降）．
B．Barefoot running is more popular with people．
C．Plain plimsolls will be replaced by barefoot running．
D．People mustn't run without shoes for a long distance．
32．Who is the passage written mainly for？D
A．The boss of shoes shop
B．The runner of long distance
C．The boss of producing shoes
D．The parents of young children．

19．I was unable to answer the test questions regarding the Civil War．

16．-A Mr．Smith is waiting outside． he come in？
-Wait a minute．I'm reading an important paper．（　　）

17．Health is the most important thing in the world．Nothing is more important than health．If one takes away our money，houses，cars，or even our clothes，we can still survive．（36）D That is why we always try to eat in a healthy way and exercise regularly．
How can we keep healthy？In order to eat healthily，I usually avoid eating food high in fat，like French fries or cookies，which are junk foods．（37）F  Besides，I only eat little meat．
（38）C  Taking exercise every day helps us build a strong body．Regular exercise is an important part of keeping me healthy．
What's more，I think friends are an important part of one's health．（39）A  I always feel better when I am with friends than when I am alone．When I am with my friends，I always laugh．Laughing is also an important part of health．It is good to stay with my friends．
By eating properly and exercising regularly，I can keep my body at a proper weight and keep healthy．By spending time with my friends，I can keep my mind as well as my body happy．These things sound easy to do，but not many people can manage them．（40）E

A．Many studies show that people with fewer friends often get sick．
B．There are some people who like staying alone，but they keep healthy．
C．On the other hand，doing exercise is very important．
D．But if our health was taken away，it is certain that we would surely die．
E．I think a strong will is necessary if we want to keep healthy．
F．I eat a lot of vegetables and fresh fruit which are full of vitamins．
G．Some people appear fat because they often eat too much．

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