如果真空管道外壳附着许多冷凝水，则说明管道内部没有积水。
参考答案：错
hardly made Allen pay any attention to correcting his mistakes.
A．scolding
B．To be scolded
C．Being scolded
D．Having scolded
以下各个药物组合中，属于治疗间日疟首选药物的（）.
A.氯喹片加伯氨喹
B.青蒿琥酯片加阿莫地喹片
C.双氢青蒿素哌喹片
D.青蒿琥酯片加阿莫地喹片
