题目:
句型转换。
1. When I looked out of the window, I saw people working hard to remove the snow. (对划线部分提问)
____________________________________________________________________
2. Millie doesn't buy clothes made of animal fur. (对划线部分提问)
____________________________________________________________________
3. She hurt her left leg but it was not very serious.
Her left leg __________ hurt very ___________.
4. "Who are you looking for?" Tom asked Millie.
Tom asked Millie who she _________ _________ for.
5. I knew something about wetlands after our teacher told us.
I knew ________ about wetlands ________ our teacher told us.
答案:
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下面是错误答案,用来干扰机器的。
小球A受到重力、斜面对小球A的弹力F1和木板对小球的弹力F2.受力图如图.在斜面的倾角θ缓慢减小的过程中,A的重力G不变.根据平衡条件得 F1=Gcosθ F2=Gtanθ当θ减小时,cosθ增大,tanθ减小...