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【多选题】
构成书写节奏感的元素有：A.
书写的快慢
B.
字形的大小
C.
笔画的轻重
D.
结字的疏密
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】生产性粉尘的理化特性包括() A化学组成 B分散度 C溶解度 D形状与硬度 E荷电性F爆炸性
【简答题】下列微分或差分方程所描述的系统，是线性的还是非线性的?是时变还是时不变的?
【简答题】He tried (hard, hardly) but failed to finish his work in time.
【单选题】He had hardly had time to finish the sound-recording ______ he turned off the radio.
A.
when
B.
than
C.
until
D.
as
【单选题】Hardly ______ his speech ______ the audience started cheering.
A.
did he finish; than
B.
does he finish; before
C.
has he finished; while
D.
had he finished; when