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问题 单项选择题

以下函数中能返回指定日期是一周中的第几天的是

A．YEAR()

B．DOW()

C．WEEK()

D．DAY()

答案

参考答案：B

解析：[分析] 本题所给的4个选项的含义是：A选项中的YEAR()表示的是截取年份；B选项中的DOW()的含义是返回指定日期是一周中的第几天；C选项中的WEEK()的含义是返回指定日期中是第几个星期：D选项中的DAY()的含义是返回指定日期是一个月的第几天。

单项选择题 A1型题

下列特定穴中，多用于治疗脏腑疾病的是（）。

A.原穴

B.络穴

C.八脉交会穴

D.八会穴

E.荥穴
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单项选择题

When a disease of epidemic proportions threatens the public, scientists immediately get to work, trying to locate the source of affliction and find ways to combat. Vaccination is one of the effective ways to protect the (1) population of a region or country which may be (2) grave risk. The process of vaccination allows the patient’s body to (3) immunity to the virus or disease so that, if it is encountered, one can fight it (4) naturally. To accomplish this, a small weak or dead (5) of the disease is actually injected into the patient in a controlled environment, (6) his body’s immune system can learn to fight the invader (7) . Information (8) how to penetrate the disease’s defenses is (9) to all elements of the patient’s immune system in a process that occurs naturally, in which genetic information is passed from cell to cell. This makes sure that (10) the patient later come into contact with the real problem, his body is well equipped and trained to (11) with it, having already done so before.

There are, however, dangers (12) in the process. (13) , even the weakened version of the disease contained in the vaccine proves (14) much for the body to handle, resulting in the immune system (15) , and, therefore, the patient’s death. Such is the case of the smallpox vaccine, (16) to eradicate the smallpox epidemic that nearly (17) the whole Native American population and killed massive numbers of settlers. (18) 1 in 10,000 people who receive the vaccine (19) the smallpox disease from the vaccine itself and dies from it. Consequently, the process, which is truly a (20) , may indeed hide some hidden curses.

7（）

A.radically

B.directly

C.properly

D.presumably
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