英语四级考试历年词汇语法真题及答案大集合

　　46. This is what you should bear in mind: Don’t ______ a salary increase before you actually get it.

　　A) hang on C) wait on

　　B) draw on D) count on

　　47. The ship’s generator broke down, and the pumps had to be operated ______ instead of mechanically.

　　A) artificially C) manually

　　B) automatically D) synthetically

　　48. The little girl was so frightened that she just wouldn’t ______ her grip on my arm.

　　A) loosen C) relieve

　　B) remove D) dismiss

　　49. He never arrives on time and my ______ is that he feels the meetings are useless.

　　A) preference C) inference

　　B) conference D) reference

　　50. Mrs. Smith was so ______ about everything that no servants could please her.

　　A) specific C) precise

　　B) special D) particular

　　51. Last night he saw two dark ______ enter the building, and then there was the explosion.

　　A) features C) sketches

　　B) figures D) images

　　52. It is obvious that this new rule is applicable to everyone without ______.

　　A) exception C) modification

　　B) exclusion D) substitution

　　53. His temper and personally show that he can become a soldier of the top ______.

　　A) circle C) category

　　B) rank D) grade

　　54. During the lecture, the speaker occasionally ______ his point by relating his own experiences.

　　A) illustrated C) cited

　　B) hinted D) displayed

　　55. Only those who can ______ to lose their money should make high-risk investments.

　　A) maintain C) endure

　　B) sustain D) afford

　　56. He found the ______ media attention intolerable and decided to go abroad.

　　A) sufficient C) steady

　　B) constant D) plenty

　　57. There has been a collision ______ a number of cars on the main road to town.

　　A) composing C) involving

　　B) consisting D) engaging