皮皮学，免费搜题
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【单选题】
图示电路为( )A.
求差电路
B.
求和电路
C.
积分电路
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】绘制钢笔应注意的是,钢笔画受工具,材料的限制,绘制的画幅不宜过( ) ,否则难以表现,选择的纸张以光滑,厚实,不渗水的为好,一般绘图纸,白卡纸即可
【单选题】Health experts are now____that even a little exercise, such as doing housework or light gardening, is far better than none at all.
A.
clashing
B.
.preaching
C.
armoring
D.
.pudding
【单选题】Health experts are now ____ that even a little exercise, such as doing housework or light gardening, is far better than none at all.
A.
approaching
B.
preaching
C.
inflicting
D.
blundering
【单选题】Health experts are now ______that even a little exercise, such as doing housework or light gardening, is far better than none at all.
A.
prepare
B.
preach
C.
present
D.
press
【单选题】Health experts are now ________ that even a little exercise, such as doing housework or light gardening, is far better than none at all.
A.
teaching
B.
preaching
C.
disagreeing
D.
breeding
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