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【单选题】
Which of the following statements is not true for an effective offer?A.
It must be addressed to specific person(S).
B.
It must be definitely sufficient to include description of commodity, quantity, price, payment, shipment and insurance, etc.
C.
An offer must be a proposal for concluding a contract.
D.
It should indicate the offeror’s intention to be bound in case of acceptance.
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【简答题】Since many of you are planning to study at a college or university in this country, you may be curious to know what you usually do in a typical week, how you can get along with your fellow students, a...
【单选题】To tell you the truth, I became a college student at 15. _____. [ ]
A.
You must be
B.
Thank goodness
C.
You don't say so
D.
It doesn't matter
【多选题】关于氧化还原滴定所用指示剂,下列说法正确的是
A.
用高锰酸钾滴定无色或浅色的还原物时,可用自身颜色变化指示滴定终点
B.
使用高锰酸钾法滴定时,不必另加指示剂
C.
碘量法常用淀粉溶液作指示剂,通过蓝色的出现或消失指示终点
D.
用K 2 Cr 2 O 7 标准溶液滴定Fe 2+ 时,常用二苯胺磺酸钠为指示剂
E.
二苯胺磺酸钠是氧化还原指示剂,其还原态为无色,氧化态为紫红色
【单选题】If you want to change for a double room, you'll have to pay ______ ＄15．
A.
another
B.
other
C.
more
D.
each
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