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【单选题】
在如图所示电路中,已知变压器二次(次级)电压U2为10V,二极管正向导通时压降为0 V,若测得输出电压UO为10V,则说明( )。A.
滤波电容开路
B.
负载开路
C.
滤波电容击穿短路
D.
其中一个二极管损坏
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举一反三
【单选题】He has ________ himself to be innocent. [ ]
A.
checked
B.
realized
C.
confirmed
D.
showed
【简答题】According to the author, why Apple 'never built a radio tuner in the iPod'? (para. 7)
【单选题】He showed ______ in English last year. And he is ______ in English. [ ]
A.
interest, much interested
B.
interest, more interested
C.
interesting, much interest
D.
interesting, more interested
【单选题】下列关于脊髓休克的论述,错误的是()。
A.
脊髓突然被横断后，断面以下的脊髓反射活动即暂时消失
B.
断面以下的脊髓反射，感觉和随意运动可逐渐恢复
C.
动物进化程度越高，其恢复速度越慢
D.
脊髓休克的产生是由于突然失去了高级中枢的调节作用
【简答题】Why, then, the shock here? ( Para. 2 ) __________________________________________________?
【单选题】Why does the author say 'his car becomes the extension of his personality' (in Para. 2)?
A.
Driving can show his real self.
B.
Driving can show the other part of his personality.
C.
Driving can bring out his character.
D.
His car embodies his temper.
【单选题】He has ____________ himself to be innocent (无罪的).
A.
checked
B.
realized
C.
confirmed
D.
showed
【单选题】--He hardly has any spare time for his hobbies, _________ he? --________. He has too much homework to do every day.
A.
does, No
B.
does, Yes
C.
has, No
D.
hasn’t, Yes
【多选题】外用糖皮质激素时，应该注意的事项包括（）
A.
强效糖皮质激素长期外用易引起皮肤萎缩、毛细血管扩张、色素失调等皮肤不良反应
B.
强效糖皮质激素外用一般每日2次，连用2～3周，继以弱效糖皮质激素或非类固醇抗炎剂维持
C.
强效糖皮质激素一般不宜用于面部及婴儿
D.
腹股沟、腋窝等皮肤皱襞部位长期应用长效糖皮质激素易引起皮肤萎缩和隐匿的真菌感染
E.
大面积应用较强的糖皮质激素应注意皮肤吸收引起全身不良反应
相关题目：
【单选题】He has ____________ himself to be innocent (无罪的).
A.
checked
B.
realized
C.
confirmed
D.
showed
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