75．Beijing is roughly 10℃ hotter than the nearby countryside in the daytimes and 5.5

　　　　　 (暖)at night.

4

74．I was so tired that I got onto my knees, moving across the sands on all　　　　　 (四肢).

73．Large　　　　　 (数量)of money are being invested in the High-tech zone, Shanghai.

72．It　　　　　 (仍然是)to be seen whether we will win the game this afternoon.

71．Cheer up. I hope to find you in better　　　　　 (情绪)when we meet again.

70．His arrival and my departure happened　　　　　 (同时).

69．He came　　　　　 (靠近)and stopped to look at the exhibits closely.

68．He　　 　　　(成功)in doing the scientific experiment the other day.

67．The boy, though only seven years old, is very　　　　　 (有主见).

66．You are wrong so you should make　　　　　 (道歉).