40. Great as Newton was， many of his ideas _C_ today and are being modified by the work of scientists of our time.

　　A are to challenge B may be challenged C have been challenged D are challenging

　　as表示“盡管”時(shí)引導(dǎo)從句，從句中的表語可以放在引導(dǎo)詞之前構(gòu)成部分倒裝。

　　41. Please be careful when you are drinking coffee in case you _D_ the new carpet.

　　A crash B pollute C spot D stain

　　pollute vt. 污染; spot n. 地點(diǎn)，場所，斑點(diǎn)，污點(diǎn);v. 使…上有斑點(diǎn)、污點(diǎn)。

　　spotted dog 斑點(diǎn)狗。 stain v. 弄臟，玷污，染色。

　　59. The tomato juice left brown _A_ on the front of my jacket.

　　A spot B point C track D trace

　　42. I‘d rather read than watch television; the programs seem _B_ all the time.

　　A to get worse B to be getting worse C to have got worse D getting worse

　　all the time 始終，一直。

　　43. Convenience foods which are already prepared for cooking are _D_ in grocery stores.

　　A ready B approachable C probable D available

　　convenience foods 方便食品; instant coffee/noodle 速容咖啡/速食面。

　　ready adj. 準(zhǔn)備好的; approachable adj. 可接近的，平易近人的，親切的。

　　probable adj. 可能的; available adj. 可獲得的，可利用的，可支配的。

　　44. When I caught him _A_ I stopped buying things there and started dealing with another shop.

　　A cheating B cheat C to cheat D to be cheating

　　45. It is important that enough money _A_ to fund the project.

　　A be collected B must be collected C was collected D can be collected

　　46. Some old people don’t like pop songs because they can‘t _C_ so much noise.

　　A resist B sustain C tolerate D undergo

　　tolerate vt. 忍受，容忍; undergo vt. 經(jīng)歷，遭受。

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