下图中的建设成就是在何时取得的?
我国制造的第一架喷气式飞机
A.一五计划期间
C. * * 期间
B.二五计划期间
D.社会主义现代化建设新时期
答案:A
Rainforests ____ and burned at such a speed that they will disappear from the earth in the near future.
A.cut
B.are cut
C.are being cut
D.had been cut
判断急性喉炎的体征除外
A.犬吠样咳嗽B.发热C.咽喉痛D.吸气性喉鸣E.嗓音沙哑