名师点评
本文是一个对话，关于沙漠中人们如何旅行、如何休息，其中有大量的初中部分很重要的一些词组，如：so… that , must be , put sth. up。
答案简析
1.C。cross a desert 意为“穿越沙漠”。
2.D。nothing but 是“除了……之外什么也没有”之意。
3.B。固定词组，so… that …即“如此……以至于……”。
4.A。根据上文，此处应选end 。 “ no end”意为“无边无际”。
5.D。表示有把握的猜测，一定，肯定。
6.B。根据常识，沙漠应该总是很热。
7.C。during the day 在白天。
8.A。for sb. to do sth. 全句意为“没有树或那样的东西让你纳凉”。
9.B。 此句学生在做时，很容易根据中国人的思维。事实上，上文是一个否定句，如果是对整个否定句进行肯定回答，应用No，否则，用Yes。
10.B。动词和副词构成的这类词组，如果所接宾语是代词必须放在这两个词之间， 如果是名词放中间，放在后面皆可。Put them up 意为“把他们支起，搭起”。
11.C。这是一个反意疑问句，前部分是肯定句，所以后部分要用否定形式，而且主语用人称代词。
12.C。联系上下文，意为“睡觉之前”。
13.D。set out 意为”出发”。
14.C。与上文的put them up相反，意为“收起帐篷”。
15.C。唯一的方法。
Overhead bridges can be seen in many parts of Singapore, in the place where traffic is very heavy and crossing the road is 1_ .
These bridges can make people 2_ roads safely. Overhead bridges are used in very much the same way as zebra crossings.
They are more efficient (效率高的), 3_ less convenient (方便的) because people have to climb up a lot of steps. This is inconvenient to the old. When people 4_ an overhead bridge, they do not hold up (阻挡) traffic. But when they cross a 5_ road using a zebra crossing, traffic is held up. This is 6_ the government (政府) has 7_ many overhead bridges to help people and 8_ traffic moving at the same time.
The government of Singapore has 9_ a lot of money building these bridges. For their own safety, people should be given hope to use them 10_ rushing across the road. Old people may find it a little 11_ climbing up and down the steps, but it is still much safer than walking across the road 12_ all the moving traffic.
Overhead bridges are very useful. People, 13_ old and young, should 14_ use them. This will stop accidents 15_ happening.
1. A. noisy B. not safe C. crowded D. not busy
2. A. cross B. crossing C. across D. through
3. A. though B. or C. if D. till
4. A. pass B. use C. visit D. build
5. A. wide B. narrow C. busy D. free
6. A. what B. why C. when D. where
7. A. made B. let C. built D. asked
8. A. see B. keep C. find D. feel
9. A. used B. made C. spent D. borrowed
10. A. full of B. fond of C. in spite of D. instead of
11. A. difficult B. different C. worried D. exited
12. A. past B. along C. about D. with
13. A. both B. either C. neither D. not
14. A. almost B. always C. nearly D. hardly
15. A. in B. at C. with D. from
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