孔顶应埋设钢护筒,其埋深应不小于()。不得超负荷进钻。
A.0.2m
B.0.5m
C.0.8m
D.1m
参考答案:D
财政收支平衡就是指当年的财政收入等于支出。[ ]
选用some和any填空。
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2、There are candies on the cake.
3、I have cold water but I have not hot tea.
4、 students can answer this question.
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7、Would you like bananas?
8、She did exercises yesterday.
9、There isn't ink in the bottle.
10、Can I have writing paper?