皮皮学，免费搜题
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【单选题】
标准封闭轮滑场地周长是多少米？
A.
250米
B.
200米
C.
300米
D.
350米
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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软磁材料
B.
硬磁材料
C.
矩磁材料
D.
顺磁材料
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【单选题】What does the author think of the American youth?
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Disappointed.
B.
Excited.
C.
Worrisome.
D.
Satisfied.
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【单选题】请根据听力录音回答,What does Roberto want?
A.
Gray jeans
B.
Brown jeans
C.
Blue jeans
D.
Black jeans
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【单选题】定轴轮系传动比正负号决定于外啮合齿轮的( )。
A.
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C.
对数
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【单选题】According to Frank Roberto, what is the difficulty for American researchers' mass-production of mussel glue?
A.
The gene number that is known is not enough.
B.
Mussels are much smarter than we think.
C.
They can't copy the blend of proteins of mussel.
D.
Mussels have an amazing power harmful to man.
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【单选题】请根据听力录音回答,What does Roberto want?
A.
Orange cap
B.
Red cap
C.
Blue cap
D.
Yellow cap
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【单选题】What does the professor imply about the rooms inside the homes of today?
A.
They have the same functions as those in ancient homes.
B.
They are more often round than box- shaped.
C.
They are arranged to progress from public to private.
D.
They are forbidden to any person outside the family.
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【单选题】What does Roberto think about Takeshi and Mike’s fried chicken?
A.
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B.
It’s crispy and juicy.
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It’s crunchy and buttery.
D.
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相关题目：
【单选题】用永久性磁铁制造直流电动机磁极的材料应选( )
A.
软磁材料
B.
硬磁材料
C.
矩磁材料
D.
顺磁材料
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【单选题】What does the author think of the American youth?
A.
Disappointed.
B.
Excited.
C.
Worrisome.
D.
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【单选题】请根据听力录音回答,What does Roberto want?
A.
Gray jeans
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Brown jeans
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D.
Black jeans
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【多选题】医学超声诊断仪按照图像获取信息方式分类,包括() 。
A.
反射法超声诊断仪
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多普勒法超声诊断仪
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【简答题】定轴轮系总传动比的正负号，决定于外啮合齿轮的（），正号表示主动轮、从动轮转向（），负号表示它们的转向（）。
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【单选题】定轴轮系传动比正负号决定于外啮合齿轮的( )。
A.
大小
B.
类型
C.
对数
D.
个数
查看完整题目与答案
【单选题】According to Frank Roberto, what is the difficulty for American researchers' mass-production of mussel glue?
A.
The gene number that is known is not enough.
B.
Mussels are much smarter than we think.
C.
They can't copy the blend of proteins of mussel.
D.
Mussels have an amazing power harmful to man.
查看完整题目与答案
【单选题】请根据听力录音回答,What does Roberto want?
A.
Orange cap
B.
Red cap
C.
Blue cap
D.
Yellow cap
查看完整题目与答案
【单选题】What does the professor imply about the rooms inside the homes of today?
A.
They have the same functions as those in ancient homes.
B.
They are more often round than box- shaped.
C.
They are arranged to progress from public to private.
D.
They are forbidden to any person outside the family.
查看完整题目与答案
【单选题】What does Roberto think about Takeshi and Mike’s fried chicken?
A.
It’s oily.
B.
It’s crispy and juicy.
C.
It’s crunchy and buttery.
D.
It’s too spicy.
查看完整题目与答案