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搜题
【单选题】
When the baby saw her mother, she cried _____. [ ]A.
harder and harder
B.
hard and hard
C.
hard and harder
D.
harder and hard
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】{ 标准渐开线直齿圆柱齿轮与齿条的啮合,由于安装误差造成齿条分度线与齿轮分度圆分离,则齿轮的分度圆____齿轮的节圆,啮合角____齿轮的齿形角。(填“大于”或“等于”或“小于”)。 }
【单选题】You may do whatever you like in the holiday. ________ me, I think I can have a rest.
A.
As for
B.
As with
C.
As
D.
As about
【简答题】—Do__________you think is right, __________others say. —Yes,I__________. A．as what;do B．as;whatever;will C．what;what;can D．what;whatever;will
【判断题】以下程序段中,当 i 大于 10 或者 s 大于 20 时,循环结束。 s = 0;
i = 1;
while(i <= 10){ s=s + i; if(s> 20){
break;
}
i++;
}
A.
正确
B.
错误
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