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问题 阅读理解与欣赏

阅读上面的诗歌，回答问题。（4分）

小题1:这首诗的一、二句写出了梨花哪些特点？（2分）

小题2:第三、四句流露出了作者怎样的思想感情？（2分）

答案

小题1:(2分)一二句写出了梨花洁白、繁盛、美丽的特点。

小题2:（2分）三四句流露出作者感慨时光易逝，人生短促之愁情；也抒发了作者淡看人生，从失意中得解脱的思想感情。

小题1:

题目分析：抓住诗句中形容词，从形色方面分析概括即可。

小题2:

题目分析：抓住关键字词“惆怅”“几清明”，再结合诗人的创作风格，即可理解作用的情感。

单项选择题 A1/A2型题

白细胞计数值的日间短暂变化主要是由于（）

A.分裂池的白细胞数增加

B.成熟池的白细胞成熟时间缩短

C.贮备池的白细胞释放增加

D.边缘池的白细胞数量增加

E.循环池和边缘池的白细胞重新分配
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单项选择题

It is clear that some chemicals can damage the health of animals and humans. (1) , this is not the only problem that (2) be caused by the careless use of chemicals. Chemicals can also (3) the ecological balance of the environment. If the ecological balance is disturbed, the results can be (4) serious.The (5) of DDT illustrates the problem. DDT, a chemical which kills insects, at first seemed to be a perfect answer (6) many problems. It would control insects that caused dangerous diseases, (7) insects that caused billions of dollars of damage to crops every year. Governments permitted and even (8) the use of DDT. Farmers in many countries (9) to spray it on their crops. The (10) results were good. Damage to crops (11) down, and profits went up. However, the chemical had effects which the scientists didn’t see in (12) . First, it also killed insects which were the (13) enemies of the harmful insects and which were therefore beneficial to farmers. Second, and perhaps worse, DDT did not kill (14) harmful insect. A few insects had natural resistance to the chemical. They (15) and reproduced in large numbers. In a few years there were large numbers of insects which were not (16) by DDT, and there were (17) insects which Could act as natural (18) on these new "super-insects". Finally, it became clear that DDT was not solving the insect problem. In fact, it was making the problem worse. It (19) became necessary to find a second (20) for the effects of the first.

 

第（18）空应选择（）

A．controls

B．enemies

C．choices

D．means
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