教师通过生动的讲解、形象的描述来帮助学生立即指示的直观类型是
A.实物直观
B.模象直观
C.抽象直观
D.言语直观
参考答案:D
在WTO争端解决机制下,提供补偿和由争端解决机构授权采取报复是()的措施。
A.不应该采取
B.经常性
C.长期性
D.临时性
I have bought 2 ballpens, _______ writes well.
A.both of which
B.none of which
C.neither of which
D.neither of them