（）事业是一汽最核心的事业，中国一汽诞生于（），成长与（）。

气通于耳的是（）。

A．心

B．肝

C．脾

D．肺

E．肾

阅读理解。

     Camping wild is a wonderful way to experience the natural world and, at its best, it makes little

environmental influence. But with increasing numbers of people wanting to escape into the wilderness,

it is becoming more and more important to camp unobtrusively (不引人注意地) and leave no mark.

     Wild camping is not permitted in many places, particularly in crowded lowland Britain. Wherever you

are, find out about organizations responsible for managing wild spaces, and contact them to find out their

policy on camping and shelter building. For example, it is fine to camp wild in remote parts of Scotland,

but in England you must ask the landowner's permission, except in national parks.

     Camping is about having relaxation, sleeping out door, experiencing bad weather, and making do without

modern conveniences. A busy, fully-equipped campsite (野营地) seems to go against this, so seek out smaller,

more remote places with easy access to open spaces and perhaps beaches. Better still, find a campsite with

no road access: walking in makes a real adventure.

      Finding the right spot to camp is the first step to guaranteeing a good night's sleep. Choose a campsite

with privacy and minimum influence on others and the environment. Try to use an area where people have

obviously camped before rather than creating a new spot.When camping in woodland, avoid standing dead

trees, which may fall on a windy night. Avoid animal runs and caves, and possible homes of biting insects.

Make sure you have most protection on the windward side. If you make a fire, do so downwind of your

shelter. Always consider what influence you might have on the natural world. Avoid damaging plants. A

good campsite is found, not made-changing it should be unnecessary.

1.You needn't ask for permission when camping in _____.

A. national parks in England

B. most parts of Scotland

C. crowded lowland Britain

D. most parts of England

2.The author thinks that a good campsite is one ______.

A. With easy access

B. used previously

C. with modem conveniences

D. far away from beaches

3. The last paragraph mainly deals with _____.

A. protecting animals

B. building a campfire

C. camping in woodland

D. finding a campsite with privacy

4. The passage is mainly about _____.

A. the protection of campsites

B. the importance of wild camping

C. the human influence on campsites

D. the dos and don'ts of wild camping

下列关于隔离的叙述，不正确的是（）

A.不同种群基因库间的差异是产生生殖隔离的根本原因

B.对所有物种来说，地理隔离必然导致生殖隔离

C.隔离阻止了种群间基因交流

D.不同物种之间必然存在生殖隔离

宏观调控中的总量平衡是（）。

A.社会总供给与总需求的平衡

B.货币供给与货币需求的平衡

C.积累基金与消费基金的平衡

D.财政收入与支出的平衡

在压延圆筒形件时，坯料的环形部分的变形（）零件的高度。

A.增加了

B.降低了

C.等于

D.不影响