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问题 单项选择题

地坑造型在舂制高大模样四周时，应对砂型采取加固措施。其加固的方法主要是（）。

A.型砂多加粘土

B.减少原砂水分

C.舂砂每到一定高度时，埋一层铁钩

D.增加木模强度

答案

参考答案：C

选择题

--- Mrs. Brown, I don’t think we can get there on time by bike.

--- You mean it’s ___________ for us to take a taxi?

A．necessary

B．important

C．possible

D．difficult
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单项选择题

The mother of a new-born asks the nurse how often she should breastfeed her baby. Which of the following responses by the nurse would be best

A．"Newborns should breastfed at least every 3 hours during the day. "

B．"Newborns should be fed when they cry. "

C．"As long as the baby feeds four times a day, he will get enough. "

D．"Newborns may breastfeed continuously until they stabilize. "
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