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在需要进行防暑工作的调度室、行车人员值班室、较大车站的生产车间、作业人员间休室等重要生产房屋,应设有降温设备。A.
正确
B.
错误
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【单选题】听力原文：W: You'll never believe what happened to me today. I got my phone bill for this month, and it's over $100! The worst part is, I didn't make all of the calls. There's a bunch of extra long distanc...
A.
She was overcharged.
B.
She did not send payment.
C.
She did not receive the bill.
D.
She paid the wrong amount.
【单选题】关于有效保护率,下列说法正确的是( )。
A.
总等于名义从价关税率
B.
如果进口投入品的名义关税低于制成品的名义关税,则有效保护率低于名义保护率
C.
如果进口投入品的名义关税低于制成品的名义关税,则有效保护率高于名义保护率
D.
如果进口投入品的名义关税为零,则有效保护率与名义保护率相等
【单选题】What is suggested about Ms. Thackeray?
A.
She is going to file a complaint against One Star Telecom.
B.
She has had negative experiences with other phone companies.
C.
She expected to pay the same rate for phone service each month.
D.
She does not feel it is fair to charge for phone calls by the minute.
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