问题
单项选择题
促吞噬作用是
A、C3a
B、C4
C、C3bBb
D、C2a
E、C3b
答案
参考答案：E
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促吞噬作用是
A、C3a
B、C4
C、C3bBb
D、C2a
E、C3b
参考答案：E
| 完形填空。 | |||
| Sometimes I am witness to acts of selfless generosity (慷慨). The acts are nearly 1 because they are done with no thought that anyone would see them other than the persons to whom they are directed. Here is a(n) 2 . Taya, a remarkable artist of our little artist breakfast group, is 3 to New Mexico. She is 75 and has decided she wants to 4 a new chapter in her life. So she's 5 a house in tiny community in New Mexico where she knows 6 . She is leaving Oakland 7 she has lived nearly 30 years and her circle of friends. This is in itself is 8 . One of our group, Edythe, has 9 how she was fond of the beauty of coins, not for their monetary (货币的) 10 , but just for their beauty. This morning, as Taya was 11 , she quietly set a small cloth 12 in front of Edythe and after giving hugs all 13 , she left. Someone at the table asked, "What's in the bag ?" Edythe 14 it and pulled out a little packet. She found six beautiful silver 15 in it. Wow! That was a surprise. She pulled out 16 little packet and unwrapped it. More silver coins! This time U.S. silver dollars. These were collectible and worth 17 more than the face value, Edythe didn't open everything, but I 18 guessed the contents of the bag were 19 several hundred dollars. Taya is not a wealthy person. 20 , she lives in a very modest way and no doubt could use the money for her new adventure. But she simply left it behind as a gift! | |||
| ( )1. A. impossible ( )2. A. story ( )3. A. leading ( )4. A. start ( )5. A. found ( )6. A. no one ( )7. A. there ( )8. A. appealing ( )9. A. mentioned ( )10. A. demand ( )11. A. disappearing ( )12. A. dress ( )13. A. around ( )14. A. observed ( )15. A. rings ( )16. A. other ( )17. A. little ( )18. A. easily ( )19. A. included ( )20. A. In the end | B. invisible B. person B. adapting B. search B. sold B. anyone B. where B. interesting B. doubted B. value B. leaving B. piece B. above B. believed B. combs B. the other B. any B. hardly B. worth B. As a result | C. unbelievable C. example C. moving C. receive C. sent C. someone C. which C. encouraging C. hated C. amount C. passing C. doll C. over C. wrapped C. coins C. another C. many C. finally C. equal C. On the other hand | D. unforgettable D. explanation D. driving D. complete D. bought D. everyone D. that D. surprising D. asked D. increase D. preparing D. bag D. along D. opened D. necklaces D. others D. far D. really D. belonged D. On the contrary |