病原体进入人体后，是否引起疾病，主要取决于（） A.病原体的毒力 B.病原体的数量

根据路加福音第八章记载，当时跟随主，并拿自己的财物供给主耶稣与门徒的妇女中包括：（）

A、抹大拉的马利亚；

B、马利亚的姐姐与马大；

C、伯大尼的马利亚。

PUBMED中，要强制搜索短语，须加________，刊名检索须加________作者检索需加________限定

提示早期肾功能不全的是( )

A．血尿素氮超过正常
B．夜尿量超过750ml
C．血肌酐低于正常
D．酚红排泄试验低于正常
E．内生肌酐清除率低于正常

Generally speaking, a British is widely regarded as a quiet, shy and conservative person who is (1) only among those with whom he is acquainted. When a stranger is at present, he often seems nervous, (2) embarrassed. You have to take a commuter train any morning or evening to (3) the truth of this. Serious-looking businessmen and women sit reading their newspapers or dozing in a corner; hardly anybody talks, since to do so would be considered quite offensive. (4) , there is an unwritten but clearly understood code of behavior which, (5) broken, makes the offender immediately the object of (6) .

It has been known as a fact that a British has a (7) for the discussion of their weather and that, if given a chance, he will talk about it (8) . Some people argue that it is because the British weather seldom (9) forecast and hence becomes a source of interest and (10) to everyone. This may be so. (11) a British cannot have much (12) in the weathermen, who, after promising fine, sunny weather for the following day, are often proved wrong (13) a cloud over the Atlantic brings rainy weather to all districts! The man in the street seems to be as accurate — or as inaccurate — as the weathermen in his (14) .

Foreigners may be surprised at the number of references (15) weather that the British make to each other in the course of a single day. Very often conversational greetings are (16) by comments on the weather. "Nice day, isn’t it" "Beautiful!" may well be heard instead of "Good morning, how are you" (17) the foreigner may consider this exaggerated and comic, it is worthwhile pointing out that it could be used to his advantage. (18) he wants to start a conversation with a British but is (19) to know where to begin, he could do well to mention the state of the weather. It is a safe subject which will (20) an answer from even the most reserved of the British.

6（）

A.suspicion

B.opposition

C.criticism

D.praise

关于精密进近雷达系统，下列说法错误的是（）

A.由发射器、显示器和一个天线组成

B.精密进近雷达系统一般装在可移动的车辆上

C.精密进近雷达系统装置体积小、可以动，是军用导航的首选系统

D.精密进近雷达系统精度和可靠性不稳定，现在一般在民航中已不使用