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【简答题】
在纯电阻电路中,已知电阻 R = 10Ω,交流电压 i = 2sin(314 t -30°)V,通过该电阻的电压的解析式是 。
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【简答题】影响问题解决的因素有哪些
【单选题】The old farmer had his leg _______ but he had his tractors _______ day and night.
A.
hurting; working
B.
hurting; worked
C.
hurt; working
D.
hurt; worked
【简答题】对于 135 单反 相机来说,焦距 为( )m m的 镜头约定俗成地成了标准镜头。
【单选题】The farmer had to wear heavy boots in the winter because the fields were so wet and ______ .
A.
earthy
B.
muddy
C.
soiled
D.
dusty
【简答题】The thing was a hot one! A farmer had shot two wolves on purpose. He had seen the wolves on his farm and decided to get them before they caused trouble. He knew wolves were a kind of protected animals...
【简答题】完形填空。 A wolf went to a farm. It ate the farmer's 1 . The farmer was angry. He had a gun (枪). He 2 to kill (杀死) the wolf. The wolf 3 away. It saw Mr Bell on the way. It asked the man for 4 . Mr Bell wa...
【简答题】任务型阅读。 There was a farmer. He had four sons. 2 The farmer was very worried about his sons, but he didn't know what to do. The man grew old and fell ill. When he was dying (垂死的), he told all his sons t...
【简答题】Farmer John and Farmer Bob were neighbors. For more than 30 years, they had been getting along very well. Then their good relationship broke. It began with a small thing, then bitter words, and then w...
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