金属的化学性能是指金属在化学作用下所表现的性能。()
参考答案:对
Questions 1-4
According to the man, what inspired him to dedicate his life to studying dinosaurs?()
A.His grandfather’s house.
B.His parents’ remarks.
C.A magazine.
D.A coursebook.
无镇静催眠作用的H1受体阻断药是()。
A.苯海拉明
B.异丙嗪
C.阿司咪唑
D.吡苄明
E.氯苯那敏