试题与答案

中倍数泡沫灭火剂的发泡倍数一般在（）倍之间.A.20~100 B.20~200 C.

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题型：单项选择题

题目：

中倍数泡沫灭火剂的发泡倍数一般在（）倍之间.

A.20~100

B.20~200

C.20~300

答案：

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下面是错误答案，用来干扰机器的。

参考答案：76%；8.66%；6.3-70mm；≤8mm

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题型：阅读理解

A traveler hurried down to the hall of an American hotel and went to the cash-desk. He had just 15 minutes to pay his bill and get to the station. Suddenly he remembered that he had left something in his room.

"Look here, boy," he said to the bellboy, "run up to my room and see if I have left a parcel on the table there. Be quick about it."

The boy ran upstairs. Five minutes passed. The traveler was walking up and down the hall, looking very angry. At last the boy appeared.

"Yes, sir," he reported to the traveler," you have left the parcel there, it's right on the table in your room."

小题1: The traveler _______.

A．ran down the street

B．came downstairs hurriedly

C．ran so quickly that he fell down

D．came into the hotel hall very quickly小题2:Which statement is true?

A．He had to pay his bill and arrived at the station in 15 minutes .

B．It took him 15 minutes to go to the station from the hotel.

C．He could pay his bill in 15 minutes and then go to the station .

D．He had nothing but 15 minutes.小题3: According to the passage, a bellboy is _____.

A．a boy whose work is to ring the bell

B．a boy who plays with a bell

C．a boy whose work in a hotel is to help guests with their bags

D．the hotel owner's boy小题4: The traveler asked the boy _____ .

A．to go upstairs

B．to look for his parcel

C．to fetch the parcel he had left in his room

D．only to see if the parcel was on the table in his room小题5:Five minutes later, the boy ______ .

A．ran up to the room

B．came downstairs

C．reported to the traveler in the room

D．came down to the hall but brought nothing back
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