23.

46. What does the Indiana University study show?

11. ________ on the cyberspace issue in a speech at a welcoming dinner in Seattle, Xi Jinping called on all countries to cooperate and draw up Internet policies corresponding with their national conditions.

29.

32.

12. A Russian plane broke up in the air, ________ all 224 people on board which was believed ________ by a bomb planted by Islamic State.

42. Which of the following processes will increase salinity of ocean waters?

43. According to this passage, the sea _____ is likely to have the lowest salinity.

16. I see no reason why they shouldn’t go on playing for another four or five years ______ they are fit enough. 

35.

33.磊磊参加的合唱团少来了一个人，没人发现，但今天少来了两人，磊磊一下就发现了，这说明磊磊（ ）能力强。

40.