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问题 口算题
口算。
2×3=3×6=8×5=0×3=
5÷5=25÷5=18÷6=18+6=
4×2=3×3=12÷6=9×4=
20÷4=20+17=45÷5=24÷8=
答案

6；18；40；0；1；5；3；24；8；9；2；36；5；37；9；3

听力题

Wang Peng sat in his empty restaurant feeling very f      (56). He didn’t know why customers didn’t come to his restaurant. He then f      (57) his friend Li Chang to Yong Hui’s slimming restaurant and went inside out of c      (58). Wang Peng was a      (59) at the menu and especially at the prices. He decided to do some research.

At the library Wang Peng found that his restaurant served far too much fat and Yong Hui’s far too little. He wanted to w      (60) his customers back with a d      (61) and a new sign advertising the b      (62) of his food. The competition between the two restaurants was on!

A week later, Yong Hui came to question Wang Peng and Wang Peng e      (63). They sat down and discussed about the advantages and disadvantages of their menus. As a result, they decided to combine their ideas and provide a b      (64) menu together. It proved to be a s_______(65) and their business cooperation turned into a personal one.
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单项选择题 A1/A2型题

肺结核的发病机制中下列正确的是（）

A.少量毒力强的侵袭能引起发病

B.少量毒力弱的一般不能引起发病

C.大量毒力强的结核菌进入机体不一定发病

D.大量毒力强的结核菌侵袭而机体免疫力不足时，感染后才能发病，发病占感染者的10％左右

E.不管多少细菌，只要感染就会发病
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