糖皮质激素禁用于创伤或手术修复期是因为()
A.水钠潴留
B.抑制蛋白质合成
C.促进胃酸分泌
D.抑制机体防御功能
E.兴奋中枢神经
参考答案:B
下列四种物质中有一种在适当条件下能与其他三种反应,这种物质是( )
A.氧气
B.铁
C.盐酸
D.硫酸铜
根据下列句子及所给汉语注释,写出空缺处各单词的正确形式,每空只写一词。
小题1:This kind of medicine is more useful than is (期待).
小题2:It’s my great dream to sail across the (太平洋) .
小题3:I have had her letter for two weeks. But I haven’t (答复) to her.
小题4:Many Chinese students have come to realize the (重要) of learning English.
小题5:It was reported that two (猴子) escaped from the zoo.