苯巴比妥与双香豆素合用可使后者抗凝血作用减弱。（）
参考答案：对
Seeing the happy_________of children playing together there，I’m full of joy and hope for the future of our country.
A．scene
B．sign
C．sense
D．view
如何对17型车钩进行闭锁位置的检查？
