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问题 单项选择题 A1/A2型题

具有抗肿瘤效应的第一道防线是（）.

A.Tc细胞

B.中性粒细胞

C.TH细胞

D.B细胞

E.NK细胞

答案

参考答案：E

解析：NK细胞是天然免疫中抗肿瘤细胞，是抗肿瘤效应的第一道防线。

单项选择题

During our two months on the road, Bennett and I had a really (1) experience with a good, honest (2) and some helpful mechanics.

We were driving east on Highway 10 when our "chick engine" light came on. We limped of a(n) (3) into Las Cruces. We had a real car (4) Bennett nursed the ear into a local garage. By this time the car was missing so (5) it was shaking all over. This was the (6) time to arrive at a garage—late Friday afternoon. Service adviser Scott was busy (7) paper work and customers as we (8) our problems. (9) he was already "ten cars behind", he told us to pull the car into the garage.

Lincoln, who we later (10) was one of the two motor technicians, took (11) of our car repairing. He and Scott and some other mechanics stayed several hours after closing, (12) the car.

Early the next morning (the shop was officially closed on Saturdays), Lincoln finally located the (13) and fixed it easily within only (14)

Later Scott (15) out to us that it was our attitude that helped. "You didn’t come into the place demanding this or that. You showed an (16) of our problems on a busy Friday afternoon. Customer’s attitude means a lot. " He was right in some way, customers should show (17) and understanding to people who (18) them. (19) people were extremely busy, they found way to at least try and help when they are met with politeness.

The pleasant experience I had shows that (20) for other people can always help.

8（）

A.explained 

B.introduced 

C.repeated 

D.expressed
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单项选择题

芬兰行政监察专员公署的监察专员有权（）

①视察各政府机关和公共机构，出席他们的决策会议

②就任何事项向有关部门提出建议

③对法律法规中存在的缺陷和问题提出修改意见

④对不良行政程序和做法提出批评，或直接提请国务委员会审议

A.①②④

B.①②③

C.②③④

D.①②③④
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