盐水在吸氨后，温度会（），体积会（）。A、升高，增大 B、升高，减小 C、下降，增大

病例与对照只要求随机但不要配对的调查研究适宜于（）

A.生态比较研究

B.检验性病例对照研究

C.同时性队列研究

D.历史性队列研究

E.探索性病例对照研究

设整型数i=5，则printf("%d",i+++++i);的输出为______。

A．10

B．11

C．12

D．语法错误

Andy was still traveling in Spain when he realized he had to confirm(确认) his flight home with the airline company(航空公司). He was visiting Spain in order to __36   his Spanish. When he was speaking to people__37 he had no __38 understanding what they said. __39 , when he was speaking on the phone, he __40  had a problem. Andy__41  the airline. And the clerk confirmed that his plane was leaving at nine o'clock three days from that day. She__42  told Andy to be at the airport two hours __43  in order to check in his luggage and get a seat.

Since he was__44  in three days, Andy didn't __45 any time. He visited as many places as he could. He thought that it would probably be a while before he had enough money again. He wished he could __46   and spend a year in Spain.

Too __47 , the final day arrived. Andy left early for the airport to arrive two hours before take-off. He hated to __48  . He went to the clerk to __49 his ticket. The clerk looked at the ticket with__50 . “Why, sir, but your flight was at nine o'clock in the morning, and __51   it is eight in the evening.”“ But I confirmed my flight,” __52 Andy. “Will I have to pay for another ticket?”

“No,sir. However, the next flight out will be three days from now.”

Andy's __53of shock turned to one of __54 as he realized that now he could continue his__55 .

36.A. prepare         B. improve         C. enjoy         D. learn 

37.A. slowly          B. in public       C. in person     D. carefully

38.A. difficulty      B. idea           C. mistake       D. interest 

39.A. Instead         B. Therefore       C. Meanwhile     D. However

40.A. even            B. just            C. still         D. seldom

41.A. called          B. liked           C. trusted       D. asked

42.A. again          B. also            C. only          D. once

43.A. before          B. earlier         C. later         D. after

44.A. moving          B. returning       C. staying       D. leaving

45.A. take            B. have            C. lose          D. find 

46.A. wait            B. go home         C. stop          D. come back 

47.A. shortly         B. quickly         C. badly         D. early

48.A. speak           B. go              C. rush          D. delay

49.A. buy             B. present         C. order         D. provide

50.A. astonishment    B. patience        C. respect       D. delight

51.A. maybe           B. so              C. here          D. now

52.A. insisted        B. apologized      C. replied       D. demanded

53.A. experience      B. expression      C. look          D. face

54.A. pleasure        B. comfort         C. sadness       D. hopelessness

55.A. plan            B. flight          C. journey       D. vacation 

《中国电信广东公司关于加强依法运营的八条规定》中关于“严格公司采购管理”的具体要求是什么？