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【单选题】
在汉字的音节中,必不可少的元素是哪一个?A.
声母
B.
主要元音
C.
音变
D.
儿化
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
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皮皮学刷刷变学霸
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【单选题】Why does cream go bad faster than butter? Some researchers think they find the answer, and it comes down to the structure of the food, not its chemical composition—a finding that could help rid some p...
A.
it suggested a way to keep some foods fresh without preservatives
B.
it discovered tiny globules in both cream and butter
C.
it revealed the secret of how bacteria multiply in cream and butter
D.
it found that cream and butter share the same chemical composition
【简答题】函数y= 2 x-1 中自变量x的取值范围是______；函数y= 2x-4 中自变量x的取值范围是______．
【单选题】Why does cream go bad faster than butter? Some researchers think they have the answer, and it comes down to the structure of the food, not its chemical composition--a finding that could help rid some ...
A.
it suggested a way to keep some foods fresh without preservatives
B.
it discovered tiny globules in both cream and butter
C.
it revealed the secret of how bacteria multiply in cream and butter
D.
it found that cream and butter share the same chemical composition
【单选题】Why does cream go bad faster than butter? Some researchers think they have the answer, and it comes down to the structure of the food, not its chemical composition---a finding that could help rid some...
A.
it suggested a way to keep some foods fresh without preservatives
B.
it discovered tiny globules in both cream and butut
C.
it revealed the secret of how bacteria multiply in cream and butter
D.
it found that cream and butter share the same chemical composition
【简答题】函数y= 中自变量x的取值范围是
【简答题】函数 y= 2 x-2 中自变量x的取值范围是______，函数 y= 2x-3 中自变量x的取值范围是______．
【单选题】设窗体中有标签Label1和按钮Command1,()语句可实现单击Command1后Label1中文字颜色变红色。
A.
Label1.ForeColor=RGB(255,0,0)
B.
Command1.ForeColor=RGB(255,0,0)
C.
Label1.BackColor=RGB(255,0,0)
D.
Command1.BackColor=RGB(255,0,0)
【简答题】函数 y= 3 x-4 中自变量x的取值范围是______，函数 y= 3x-9 中自变量x的取值范围是______．
【单选题】Why does cream go bad faster than butter? Some researchers think they found the answer, and it comes down to the structure of the food,not its chemical composition--a finding that could help rid some ...
A.
it suggested a way to keep some foods fresh without preservatives
B.
it discovered tiny globules in both cream and butter
C.
it revealed the secret of how bacteria multiply in cream and butter
D.
it found that cream and butter share the same chemical composition
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