问题
单项选择题 A1型题
锰进入机体主要损害()
A.神经系统
B.消化系统
C.造血系统
D.呼吸系统
E.内分泌系统
答案
参考答案:A
锰进入机体主要损害()
A.神经系统
B.消化系统
C.造血系统
D.呼吸系统
E.内分泌系统
参考答案:A
选词填空。用方框中所给词的适当形式填空,使短文完整、正确、通顺。(每个词限用一次)。 | |
2 he went to the air hostess (空姐) and asked, "Could you help me? I can't find my seat." The air hostess showed 3 the seat and told him 4 and fasten the seat belt (系牢安全带). She told Allan not to move about when the plane was going up. And she also said that Allan's ears might feel 5 strange, but he didn't need to 6 it because many people felt 7 that. When the plane was flying very high. Allan could stand up and walk round. He could 8 read books, newspapers or see films. The air hostess would 9 food and drinks. Allan could enjoy the flight and 10 soon. 1. _________ 2. _________ 3. _________ 4. _________ 5. _________ 6. _________ 7. _________ 8. _________ 9. _________ 10. _________ |