FT61型调节器有()触点,且触点间隙(),不便于()和()。
参考答案:两对;小;维护;检调
Her cousin ______ swim when he _____ six years old.
[ ]
A. can, is
B. could, were
C. could, was
D. can, was
在实际沟通中,()更有利于被询问者表达自己的见解和情绪。
A.封闭式问题
B.开放式问题
C.探询式问题
D.假设式问题