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【单选题】
单相桥式整流电路中,若一个二极管断路,此故障将使电路( ) A、引起电源短路 B、成为半波整流电路 C、不能工作 D、仍是全波整流
A.
引起电源短路
B.
成为半波整流电路
C.
不能工作
D.
仍是全波整流
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【简答题】The forwarders usually book spaces with ocean carrier on behalf of consignor basis on the FCA terms in the sales contract made by the consignor as the seller with the buyer. ( )
【单选题】Terrorists will go to any length to _____their evil ends, and pay no attention to the basic living rights of other peace-loving people.
A.
reach
B.
gain
C.
achieve
D.
succeed
【单选题】The__________ method is more fitted to the explicit presentation of grammar when the basic structure is being identified.
A.
inductive
B.
contrastive
C.
comparative
D.
deductive
【多选题】常用的缓冲包装材料有
A.
泡沫塑料
B.
木丝
C.
玻璃
D.
弹簧
【多选题】对骨折游客进行包扎和上夹板的正确方法是( )。
A.
最好用清洁、干净的布片、衣物覆盖伤口,再用不带包包扎
B.
如有骨折端外露,要将骨折福安保持外露,不能包扎,以免感染
C.
如无夹板,可就地取材用树枝书本固定
D.
在一无所有的情况下,可利用自身固定
E.
上肢可固定在躯体上,下肢可利用对侧固定
【单选题】Karen says that managers should communicate with staff about problems
A.
on an informal basis.
B.
within a consistent timetable.
C.
away from the business premises.
【单选题】The Corruption of Power The rights we are granted by the Constitution to guarantee the basic freedoms of speech, religion, petition, press, and assembly. By exercising these rights, freedom can be dis...
A.
1%.
B.
2%.
C.
5%.
D.
50%.
【多选题】常用的缓冲包装材料有
A.
PE
B.
瓦楞纸板
C.
蜂窝纸板
D.
EPE
【单选题】下图为中等大小拉延模的凸模(已翻转),该件固定在下模座上,下列说法误的是( )。 A 中间两排圆孔既可以对铸件减重,还可以插两条铁棒作简易起吊 B 底部键槽应平行于拉延模坐标系的X轴或Y轴,便于加工 C 图中共布置了6块导板 D 图中筋条宽度值M和N应相同
A.
B.
C.
D.
D
【判断题】The forwarders usually book spaces with ocean carrier on behalf of consignor basis on the FCA TERMS in the sales contract made by the consignor as the seller with the buyer.( )
A.
正确
B.
错误
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