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问题 解答题

有一堆重45吨的沙，已经用4辆载重为6吨的车运了1次，剩下的沙用载重为4吨的汽车一次运完．至少需要多少辆车？

答案

（45-4×6）÷4，

=21÷4，

=5（辆）…1（吨），

5+1=6（辆）；

答：至少需要6辆．

阅读理解

Kate is an English girl. She lives in a tall building in the city of London. There are sixteen floors in the building, and she lives on the tenth floor. She uses a lift to go up and down. Kate studies in a middle school near her house and she works hard. She goes to school early. Every day she leaves her home at half past six. She walks to the lift, and it takes her down to the first floor. There is a bus stop near the building. Usually she takes No.7 bus to her school, but sometimes she goes on foot. It is only four kilometers to her school from the building. She gets to school at about seven twenty. Classes begin at eight. She goes to play games at three forty. She gets home at a quarter past five. She begins to do her homework at eight and finishes it at half past nine.

小题1:Kate lives in a tall building ________ London.

A．near

B．in

C．outside

D．far from小题2:She goes up and down the building ________.

A．in lift

B．by a lift

C．by lift

D．use a lift小题3:She leaves ________ at six thirty.

A．her home

B．the building

C．the lift

D．the bus stop小题4:She goes to school ________.

A．by bus

B．by bike

C．on foot

D．A and C小题5:It takes her ________ to do her homework.

A．about an hour

B．about one hour and half

C．eighty minutes

D．one hour and a half
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单项选择题

对于可疑的结核性脑膜炎何时用抗结核药的叙述正确的是（）

A.只有脑脊液中结核杆菌培养阳性才能用抗结核药

B.脑脊液中必需抗酸染色阳性才能用抗结核药

C.除脑脊液中蛋白糖和氯化物的典型改变外还必须有既往结核感染史

D.只要患者的临床症状和体征及实验室检查高度提示该病就应及早抗结核治疗

E.只要有结核接触史就应抗结核治疗
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