某井筒施工中井口盖板已拆除,为在井架上进行焊接,应采用()的措施。
A.整块钢板覆盖
B.钢管密排封闭
C.木板密排覆盖
D.疏排的工字钢上铺油毡覆盖
参考答案:A
解析:
Eating is so important to Chinese ______ we have the term "food culture". But recent reports have the public worried about ______ is on their tables.
A.what; that
B.which; that
C.that; which
D.that; what
我国古代一般称“跑”为()。
A.走
B.行
C.趋
D.奔