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【判断题】
在测定微波折射率时,关键性的参数是水汽分压的测定。同光波相比可知,水汽压对微波折射率的影响是光波的100倍,即高出2个数量级。所以,与光波测距不同,在微波测距中必须沿整条测线十分精确地测定湿度。即便是这样,好于±3ppm的精度也是很困难的,所以微波测距精度一般都低于光波测距精度。
A.
正确
B.
错误
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【单选题】Do you mean this is the ______ decision you have made after thinking for hours?
A.
upright
B.
ultimate
C.
total
D.
tight
【简答题】After you have made the shipment of goods, you are supposed to write a letter to inform the buyer of the news and tell him/her of the documents your are sending over: B/L, commercial invoice, certif...
【判断题】After you have made a business plan, the first thing you should do is to put it into practice immediately.
A.
正确
B.
错误
【单选题】下列哪种疾病是属于菌群失调症
A.
假膜性肠炎
B.
风湿热
C.
脓疱疮
D.
流脑
E.
急性肾小球肾炎
【单选题】your papers and see how many mistakes you have made. [     ]
A.
Look through
B.
Look after
C.
Look for
D.
Look into
【判断题】在贷款活动中,货币的贷出者成为债权人,借入者则成为债务人。
A.
正确
B.
错误
【单选题】球根花卉多用 法繁殖。
A.
播种
B.
分生
C.
扦插
D.
嫁接
【判断题】Someone said " Sorry, but I already have another appointment." after you had made an invitation. It means he declined your invitation politely. ( )
A.
正确
B.
错误
【简答题】在贷款活动中,货币的贷出者成为债权人,借入者则成为()。
【单选题】After you have made purchases, you should
A.
send an email to merchants.
B.
look for more product information.
C.
check confirmation emails.
D.
change your credit card.
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