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【单选题】
The Yellow River is _____ the Pearl River.
A.
twice long as              
B.
twice as long as
C.
as twice longer as          
D.
as long twice as
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【判断题】在三相三线系统中,三相短路时导体所受到的电功力最大;在三相四线系统中,单相短路时导体所受的电功力最大。
A.
正确
B.
错误
【单选题】We have already _ much water to the people in the south of China. [     ]
A.
given in
B.
given up
C.
given away
D.
given out
【单选题】They keys were __________ to our neighbours during our absence.
A.
given out
B.
given away
C.
given over
D.
given up
【简答题】ENTRY-EXIT INSPECTION AND QUARANTINE THE PEOPLE'S REPUBLIC OF CHINA HEALTH AND QUARANTINE DECLARATION FORM ON ENTRY Name:Shirley Booth : Male Female Birth Date:1959 yy 02 mm Place of Arrival: Shenz...
【单选题】关于三相电描述错误的是( )
A.
三相电各相有效值相等
B.
三相电各相频率相等
C.
三相电各相初相位相同
D.
三相电各相相位差为120 0
【多选题】所有凭证都必 须经过施工单位 [填空(1)] 签字验收, [填空(2)] 审核, [填空(3)] 签字认可
A.
专职安全员
B.
项目负责人
C.
安全监理工程师
【判断题】在线路设计施工时,不论土壤特性如何,所有混凝土电杆基础都必×须采用底盘、卡盘、拉盘基础。( )
A.
正确
B.
错误
【单选题】An English speech _____ to the children tomorrow. [     ]
A.
is given
B.
has been given
C.
will be given
【简答题】验电时,不能将一相无电作为三相无电的依据。()
【简答题】挂 失 止 付 是 票 据 丧 失 后 必 须 采 取 的 措 施 。 ( )
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