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【单选题】
关于神经系统描述错误的是:
A.
神经系统由神经元和神经胶质细胞构成
B.
在中枢神经系统中,神经元胞体和树突聚集的部位称为皮质
C.
在中枢神经系统中,神经纤维聚集的部位称白质
D.
以上都正确
E.
以上都不正确
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参考答案:
举一反三
【单选题】进行拐角轮廓切削时,为加工出尖角可以 ________ 。
A.
接近拐角时增大进给速度
B.
采用低增益控制回路
C.
接近拐角时减小进给速度
【单选题】As oil pipe line connections were broken, _____ quantity of oil was caused to spill onto the wharf and into the dock water.
A.
a not knowing
B.
an unknowing
C.
an unknown
D.
a not know
【单选题】热继电器的常闭触点应接在( )中,以对电路起保护作用。
A.
电动机定子电路
B.
信号电路
C.
接触器线圈电路
D.
以上均不对
【单选题】The preorder traversal sequence of a binary tree is abdgcefh, the inorder traversal sequence of a binary tree is dgbaechf, the postorder traversal sequence of a binary tree is ____.
A.
bdgcefha
B.
gdbecfha
C.
bdgaechf
D.
gdbehfca
【单选题】The equipment required to remove an on-deck oil spill on a barge transfering oil must either be carried on board or ______.
A.
on a tug standing by
B.
available by contract with the shore facility
C.
kept at the shoreside hose connection during transfer
D.
kept in a protected shoreside location readily accessible
【单选题】The Sydney Harbor oil spill was the result of a__________
A.
deliberate act of sabotage
B.
ship refueling in the harbor
C.
tanker pumping oil into the sea
D.
collision between two oil tankers
【单选题】The Gulf oil spill is different from any other oil catastrophe in that______.
A.
it involves a world-renowned firm
B.
it has a limited shoreline impact
C.
the surface of the ocean wasn't affected
D.
the oil was released into deep seas
【单选题】增加维生素       能作为亚硝酸化合物的阻断剂。
A.
VA
B.
VB
C.
VC
D.
VD
【单选题】What is the main idea of the news?
A.
People suffering from the oil spill will be compensated by BP.
B.
BP oil spill has brought a serious natural disaster in the Gulf.
C.
BP has already paid $700 million since the start of the disaster.
D.
The fund to help victims of BP oil spill plans to pay claims quickly.
【简答题】In the Exxon Valdez oil spill about______kilometer of coastline was polluted.
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