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【简答题】
I find that it is difficult to speak English well. I find _______ _______to speak English well.
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【简答题】求整式x 2 -2x+1减去-x+3的差等于______．
【单选题】—Do you think it's a good idea to make friends with your students? — ______________ ,I do. I think it's a good idea. [ ]
A.
Really
B.
Obviously
C.
Actually
D.
Generally
【简答题】求整式x 2 +x+1减去-x 2 -x+1的差等于______．
【单选题】—Do you think it’s a good idea to make friends with your students ? -- ________,I do .I think it’s a great idea .
A.
Really
B.
Obviously
C.
Actually
D.
Generally
【简答题】设函数 是偶函数，则实数 的值为 .
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