花垣苗族男子的服饰为头缠()。
A.花帕
B.布帕
C.青帕
D.白帕
参考答案:B
—Do you practice how to escape from dangers every term?
—Of course. Our school pays much attention to the ______ of safety.
A.development
B.importance
C.advertisement
D.difference
What the scientist said sounded strange, ______, they made sense. [ ]
A. therefore
B. however
C. since
D. otherwise