问题
单项选择题
铜的生理功能包括（）。
A.维持正常的造血功能
B.促进结缔组织形成
C.参与超氧化物转化
D.促进神经系统、皮肤、毛发健康
E.以上全是
答案
参考答案：E
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铜的生理功能包括（）。
A.维持正常的造血功能
B.促进结缔组织形成
C.参与超氧化物转化
D.促进神经系统、皮肤、毛发健康
E.以上全是
参考答案：E
| 补全对话。从方框内所给的选项中选择正确的句子补全以下对话。 | |
| A: Hi, Li Ming. What are you going to do after the graduation exams? B: Oh, 1______ I'm too tired and just want to relax myself. A: What about a journey? I've just been to Hainan Island. B: 2______ A: Yes, of course. I saw many different kinds of trees and flowers there. 3______ B: Did you meet any foreign visitors there? A: Yes. And I learnt a lot from them. B: That sounds great. 4______ A: The price of a one-way ticket from Fuzhou to Haikou is 1, 000 yuan. 5______ They can a 60% discount ( 折扣). B: Good. I'd like to go there with my classmates next week.
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