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问题 单项选择题 A1/A2型题

浅Ⅱ度烧伤的愈合时间一般为（）

A.1～3天

B.6天

C.3～4周

D.1～2周

E.4周以上

答案

参考答案：D

解析：浅Ⅱ度烧伤由于生发层部分损伤，如无继发感染，一般经过1～2周愈合。

问答题

在考生文件夹下打开文件EXCEL001A.xls(内容如下)，操作要求如下：对工作表“员工工资表”内数据清单的内容按主要关键字“学历”的递增次序进行排序，对排序后的结果进行分类汇总，分类的字段为“学历”汇总方式为“计数”，汇总项为“学历”，汇总结果显示在数据下方，工作表名不变，保存EXCEL10A.xls工作簿。
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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（12）空应选择（）

A．need

B．turn

C．advance

D．vain
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