注水井采油树的()的作用是测试仪器下井时经常开关的闸门。
A.测试闸门
B.生产闸门
C.总闸门
D.套管闸门
参考答案:A
国家鼓励开展中医药专家学术继承工作,培养高层次的中医临床人才和()
A.中药技术人才
B.中医从业人员
C.中医医疗机构
D.中医药教育机构
E.中医药科研机构
—Lisa didn’t come to school yesterday, did she ?
--________ , though she was not feeling very well.
A.No, she didn’t .
B.Yes, she did.
C.Yes, she didn’t.
D.No, she did.