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【判断题】
流沙是沙土或粉质粘土在水的作用下丧失其黏聚形成的,多呈糊浆状。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】某感性负载的功率因数为0.5,接在220V正弦交流电源上,电流为10A,则该负载消耗的功率为( )
A.
2.2kW
B.
1.1kW
C.
4.4kW
D.
0.55kW
【单选题】In a singly linked list, a given node by a pointer q pointing is a successor(后继) of the node that is pointed by p pointer, if inserting a node s into p and q, then ( )need to be accomplished.
A.
s->next=q; p->next=s;
B.
p->next=s->next; s->next=p;
C.
q->next=s->next; s-next=p;
D.
p->next=s; s->next=q;
【单选题】A company that is losing money will have a P/E ratio of what?______.
A.
Negative P/E
B.
Very small P/E
C.
It does not have a P/E
D.
None of the above
【单选题】The correct operation for inserting a pointer of a node S after a pointer P in a single linked list is: ( ).
A.
s->link=p->link; p->link=s;
B.
p->link=s; s->link=p->link;
C.
p->link=s; p->link=s->link;
D.
p->link=s->link; p->link=s;
【单选题】A contact is formed between a metal and a p-type semiconductor. This contact is ( )ifΦm>Φs.
A.
homojunction
B.
heterojunction
C.
ohmic contact
D.
rectifying contact
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