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【单选题】
近紫外区的波长范围是?A.
200~400nm
B.
400~800nm
C.
100~200nm
D.
300~400nm
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反馈参考答案：
举一反三
【简答题】A．She had promised that she would. B．She has been sick. C．She needs his approval for her schedule. D．She must verify his plans.
【单选题】Proofread the following sentences. Identify the parts which are incorrect, and write down A,B,or C on the short lines below. On receiving orders for 12 pallets or much , we will give a special discoun...
A.
on
B.
or much
C.
of
【多选题】根据消费税法律制度的规定,下列关于消费税纳税义务发生时间的表述中,正确的有( )。
A.
采取赊销和分期收款结算方式的，为书面合同约定的收款日期的当天
B.
采取预收货款结算方式的，为收到预收货款的当天
C.
采取托收承付和委托银行收款方式的，为发出应税消费品并办妥托收手续的当天
D.
采取其他结算方式的，为收讫销售款或者取得索取销售款凭据的当天
【单选题】We agree to give you a 2% special discount you increase your order to $5000 or more.
A.
provided
B.
unless
C.
provide
D.
in case
【单选题】－Why didn’t Susan come to see us yesterday as she promised? －______.
A.
She must be busy
B.
She might have been free
C.
She must have been busy
D.
She can’t be free
【简答题】A．She had promised that she would. B．She has been sick. C．She needs his approval for her schedule. D．She must verify his plan.
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