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【判断题】
跨境电商相关法规不断完善有助于促进跨境电商行业健康有序发展A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】以下关于设备布置图的版次叙述不正确的是（）。
A.
“施工版”是在“设计版”基础上，根据相应版次的管道仪表流程图、管道平面布置图（“设计版”）、设备最终确认图纸等有关资料绘制
B.
若“设计版”无修改时，可将版次“设计版”改为最终“施工版”发往施工现场
C.
“初版”仅表示装置内设备布置的概貌，供各有关专业开展基础设计
D.
“确认版”根据主要管道研究草图等有关资料，综合各有关专业和用户所提出的意见，对设备布置进行深化研究。本版图作为各有关专业进行详细工程设计的重要依据。如果工程设计规定要进行模型设计时，也作为模型制作和设备定位的依据
【单选题】They want to know ()to help us.
A.
they can they do it
B.
that they can do it
C.
what they can do
D.
what can the do
【单选题】They want to know ______ do it to help us.
A.
what can they
B.
what they can
C.
how they can
D.
how can they
【单选题】They want to know ________ do to help us.
A.
what can they
B.
how they can
C.
what they can
D.
how can they
【单选题】They want to know ______do to help us.
A.
what can they
B.
what they can
C.
how they can
D.
how can they
【单选题】They want to know_ do to help us.
A.
what they can
B.
how they can
C.
how can they
D.
what can they
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