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【单选题】
牛奶中含有丰富的钙，但有些人喝了之后仍然表现缺钙，可能原因是体内缺少以下何种物质影响到对钙的吸收（ ）A.
含铁的无机盐
B.
维生素A
C.
维生素D
D.
膳食纤维
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【简答题】简述继电器的基本原理。
【简答题】Confirm the Reservation You've booked a “2 days 1 night (a)___________ for two” from Nov. 19th to 20th. The package (b)_______ 1 night in mengmeng Princess Double Room, (c)________________ Chimelong S...
【简答题】消费力 2.AA制 3.市场定位 4.就业前景 5.商品多样化 6.股息 7.风险投资家 8.税前利润 9. 二手商品 10. 经济萧条 11. 每股收益 13. 发行股票 14. 营业额 15. 以超出原来价值的20倍价格卖出 16. 退税 17. 季度收入 18. 信贷业务 19.本季度的收入比预期的要好,增长10.7% 20.按税收收入计算,它是美国第三大零售商
【简答题】船舶使用期或还本付息期内使净现值等于零的投资收益率称为( );由船舶在营运中所得的收益,偿还其投资所需的时间称为( )。
【单选题】It rained all the time and so we did not make good time driving to New York.
A.
travel at a good speed
B.
have a good time
C.
content
D.
make a good day
【简答题】You've booked a double room for two nights. And you are going to check out on Sunday, April 10, aren't you?
【简答题】You've booked a ________ (单人房)room.
【单选题】We did not have time to read the whole novel,so the teacher prepared a synopsis for us.
A.
detail
B.
everything
C.
summary or outline
D.
synonym
【简答题】In the past, man did not have to think about protection of the environment. There were very few people on the earth, and natural resources seemed to be unlimited. Today things are different. The world...
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