A. very B. too C. far more D. far better

　　46. No sooner____ got to the station than it began to rain heavily.

　　A. had I B. have I C. I had D. I have

　　47. They overcame all the difficulties and fulfilled the plan ten days ahead of schedule,_ ___ was something we had not expected.

　　A. that B. this C. it D. which

　　48. Plastics is a kind of____ which is widely used in industry.

　　A. mass B. substance C. matter D. material

　　49. The sudden change of weather made the temperature____ alot.

　　A. fall B. sink C. drop D. lower

　　50. The food industry in our country is developing __

　　A. quickly B. fast C. swiftly D. rapidly

　　51. In order to look at sea life closely, people have____ some kinds of special equipment.

　　A. to work in B. to work over C. to work out D. to work off

　　52. It ____ that the jewels had been stolen by a traveler.

　　A. turned out B. turned up C. turned on D. turned over

　　53. When she does something, Mrs. Brown feels that her little child is always____

　　A. under way B. in the way C. on the way D. by the way

　　54. ____ the umbrella with you in case it rains.

　　A. Bring B. Get C. Carry D. Take

　　55. ____ in the air, fuels give off heat.

　　A. To burn B. Burned C. To be burned D. Being burned

　　56. Mary_ in the garden when it began to rain.

　　A. was walking B. walked C. walking D. had walked

　　57. It is necessary that we____ have a good ***mand of English at college.

　　A. must B. have to C. should D. ought to

　　58. If a better material ____, the strength of the part would have been increased.

　　A. had been used B. had been using C. being used D. using

　　59. When the mixture ____, it will give off a powerful force.

　　A. will heat B. will be heated C. is heated D. has heated

　　60. English____ in a new way at my college in the past few years.

　　A. has been teaching B. was being taught

　　C. has been taught D. had been taught