不利于铁吸收的因素是（） A.维生素C B.肉因子 C.胃酸 D.维

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问题单项选择题

不利于铁吸收的因素是（）

A.维生素C

B.肉因子

C.胃酸

D.维生素B

E.膳食纤维

答案

参考答案：E

解析：维生素C、肉因子、胃酸、维生素B2都是有利于铁吸收的因素。

完形填空

A. plane B. much C. ever D. look E. bus F. arrived

Sally: Have you______小题1:visited any places in China before?

Paul: Yes, 1 have been to Shenzhen.

Sally: How did you go there, by bus or hy train?

Paul: Neither. I went by______小题2:.

Sally: When did you go there?

Paul: Last year. When I______小题3:there, it was already midnight. It______小题4: me 3 hours.

Sally: What do you think of Shenzhen?

Paul: Very nice, and people there are________小题5: nicer

单项选择题

据《跟单信用统一惯例》规定，信用证上如果未规定有“可转让”条款，这个信用证可视为( )。

A．可转让信用证

B．不可转让信用证

C．部分可转让信用证

D．由开证人决定