问题 问答题

在使用实验用温度计时,小玲的操作如图所示,请指出图中操作不当之处:

A:______

B:______.

答案

使用温度计时,需注意:不应将温度计的液泡与烧杯底部接触;不应将温度计拿离被测液体读数.

故答案为:温度计的玻璃泡碰到容器底;读数时温度计玻璃泡没有继续留在被测液体中.

单项选择题

For the people who have never traveled across the Atlantic the voyage is a fantasy. But for the people who cross it frequently one crossing of the Atlantic is very much like another, and they do not make the voyage for the (56) of its interest. Most of us are quite happy when we feel (57) to go to bed and pleased when the journey (58) . On the first night this time I felt especially lazy and went to bed (59) earlier than usual. When I (60) my cabin, I was surprised (61) that I was to have a companion during my trip, which made me feel a little unhappy. I had expected (62) but there was a suitcase (63) mine in the opposite corner. I wondered who he could be and what he would be like. Soon afterwards he came in. He was the sort of man you might meet (64) , except that he was wearing (65) good clothes that I made up my mind that we would not (66) whoever he was and did not say (67) . As I had expected, he did not talk to me either but went to bed immediately.
I suppose I slept for several hours because when I woke up it was already the middle of the night. I felt cold but covered (68) as well as I could and tried to go back to sleep. Then I realized that a (69) was coming from the window opposite. I thought perhaps I had forgotten (70) the door, so I got up (71) the door but found it already locked from the inside. The cold air was coming from the window opposite. I crossed the room and (72) the moon shone through it on to the other bed. (73) there. It took me a minute or two to (74) the door myself. I realized that my companion (75) through the window into the sea.

A. quire B. rather C. fairlyD. somehow

单项选择题 A1/A2型题