我国《水法》规定,水资源包括()
A.淡水和海水
B.地表水和地下水
C.饮用水和非饮用水
D.生活用水和其他用途的水
参考答案:B
At the meeting he gave us some suggestions, one of which was that we____ someone to check the information.
A. sent B send C. would send D. should have sent
下列错畸形哪项可能不是遗传造成()。
A.上前牙区多生牙
B.牙列拥挤
C.上颌前突
D.后牙反
E.以上都不是