33. As soon as we _____, our ship left port. Which is wrong?

A. went aboard　　　　 B. went on board　　 　　 C. got on the ship 　　 D. went abroad

32.To our horror, there was _____ of a bus with a car on the bridge.

A. conflict　　　 B. an appointment　　 　　　 C. a collision　　 　　 D. a meet

31. The bison ___ to a shoulder height of 1.5 metres and can weigh 1,100 kilograms.

A. grow　　 　　　 B. growing　　　 　　　　　 C. grows　 　　　　 D. grew

30. The tiger is ___ to India.　 A. living　　　 　　 B. from 　　　 C. born　　　 D. native

29.The professor spoke slowly　 enough to　 make his speech easy ___.

　 A. follow　　　　 B. to follow　　　　　 C. followed　　　　　　 D. following

28.---Did you enjoy your visit there?---Yes but I’m very sorry _____so soon.　

A. for leaving　 B. of leaving　　　　　 C. to leave　　　　　　 D. to have left　

27.　 Her words _______ our understanding of the importance of estuaries.

A. have devoted to　 B. has led to　　　　　 C. have been affected　　 D. have contributed to

26.　 With more forests being destroyed, large quantities of rich soil _______ away each year.

A. is washing　　　　　 B. are being washed　　　 C. is being washed　　　　 D. are washing

25.　 One of the traders,_______ a great effect _______ us, _______ on German soil next year.

A. has; to will set his feet on　　　　　　　　　　　 B. that have; on; will set feet

C. who has; on; will set foot　　　　　　　　　　　　 D. who have; on; is to set foot

24.　 Heat capacity is _______ amount of energy _______ takes to _______ the temperature of a substance by one degree centigrade.

A. the; it; raise　　　　 　 B. an; that; rise　　　 C. the; it; rise　　　　　 D. an; it; raise