皮皮学，免费搜题
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【单选题】
由排列紧密的上皮细胞和少量的细胞间质组成的( )A.
上皮组织
B.
肌肉组织
C.
结缔组织
D.
神经组织
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The Order No.105 is so urgently required that we have to ask you to ____shipment.
A.
quicken
B.
fasten
C.
speed up
D.
put up
【简答题】一台三相绕线转子异步电机与一台同步电机同轴联结，两台电机的定子都接到50Hz的电源上，从异步电机的集电环上引出三相电作为电源输出。两台电机定子接到电源的相序未知，若(a)异步电机为4极，同步电机为8极；(b)异步电机为8极，同步电机为4极。
【单选题】The order No.105 is so urgently required that we have to ask you to _______ shipment.
A.
quicken
B.
fasten
C.
speed up
D.
put up
【单选题】The order No.105 is so urgently reuqired that we have to ask you to __________shipment.
A.
quicken
B.
fasten
C.
speed up
D.
put up
【简答题】The order No．105 is so urgently required that we have to ask you to speed up shipment.
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