题目内容

在碱性尿液中，能使尿液显红色的药物是

A. 硝苯地平
B. 亚甲蓝
C. 酚酞
D. 叶酸
E. 复合维生素B

查看答案

搜索结果不匹配？点我反馈

更多问题

有机磷中毒的机制是可使

A. 巯基酶失活
B. 细胞色素氧化酶失活
C. 胆碱酯酶失活
D. 二氢叶酸还原酶失活
E. 环化酶失活

More than one example ______ necessary to make the students understand this rule clearly．

A. should be
B. is
C. are
D. have been

In England, people put their ______ first.

A. given names
B. full names
C. family names
D. English names

The trouble with such resources as coal，oil and gas ______ that they are not renewable．

A. has been
B. are
C. have been
D. is