题目

下列说法正确的是（） A . H2Se、H2S、H2O的热稳定性依次增强，是因为分子间作用力依次增大 B . 碘和氯化铝受热升华，吸收的热量用于克服了分子间作用力 C . NaHSO4、H2SO4的水溶液都能导电，所以它们都属于离子化合物 D . 金刚石和水晶都是共价化合物，都属于原子晶体 答案：BIt must have been around nine o’clock when I drove back home from work because it was already dark． As I came near to the gates I turned off the head lights of the car so as to prevent the beam from swinging (摆动) through the window and waking Jack, who shared the house with me． But I needn’t have done so． I noticed that his light was still on, so he was awake anyway—unless he had fallen asleep while reading． I put the car away and went up the steps．Then I opened the door quietly and went to Jack’s room． He was in bed awake, but he didn’t even turn towards me．“What’s up, Jack﹖” I asked．“For God’s sake, don’t make a noise,” he said．The way he spoke reminded me of someone in pain who is afraid to talk in case he does himself serious injury．“Take your shoes off, Neville,” Jack said．I thought that he must be ill and that I had better give way to him to keep him happy． “There is a snake here,” he explained． “It’s asleep between the sheets． I was lying on my back reading when I saw it．I knew that moving was out of the question． I could not have moved even I’d wanted to．” I realized that he was serious． “I was depending on you to call a doctor as soon as you came home,” Jack went on． “It has not bitten me yet but I dare not do anything to upset it． It might wake up． I’m sick of this,” he said．“I took it for granted that you would have come home an hour ago．”There was no time to argue or apologize for being late．I looked at him as encouraging as I could and went to telephone the doctor．小题1:When he got home, Neville found that ＿＿＿＿＿．A．Jack had fallen asleep while readingB．Jack had been reading for some time C．Jack’s light was not turned offD．Jack was ready to answer the doctor小题2:The underlined phrase in Paragraph 6 means ＿＿＿＿＿．A．impossibleB．no problemC．no doubtD．without difficulty小题3:Which of the following is NOT true according to the passage﹖A．Neville and Jack lived in the same house．B．Neville thought that Jack had fallen ill．C．Neville really believed that Jack was not making a joke．D．Neville refused to argue or to make an apology for being late．小题4:The reason why Neville thought that Jack must be ill is that Jack ＿＿＿＿．A．asked Neville to take off his shoesB．made a gesture to show the presence of the snakeC．was afraid to upset the snake sleeping between the sheetsD．behaved strangely as if he were badly hurt小题5:According to the passage, Neville should have been home at ＿＿＿＿．A．7 p．m．B．8 p．m．C．9 p．m．D．6 p．m．