降压作用明显,对血糖、血脂代谢无不良影响,但易引起体位性低血压的药物是()
A.卡托普利
B.尼群地平
C.哌唑嗪
D.美托洛尔
E.吲达帕胺
参考答案:C
Mr Jackson was very angry to find the car he had had ______ yesterday broke down again.
A.to repair
B.it repaired
C.repairing
D.repaired
我们通常所说的可燃冰(天然气水合物),其主要成分是()。
A、水分子
B、二氧化碳
C、甲烷
D、氢气