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【单选题】
弯扭组合变形是：A.
由弯曲和扭转变形组合而成的。
B.
弯曲或扭转变形组合成的。
C.
弯曲和拉伸变形组合成的。
D.
拉伸和扭转组合成的。
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皮皮学刷刷变学霸
举一反三
【简答题】A．It is easy because the people are friendly. B．It is difficult because the people are not friendly. C．It is difficult in spite of friendly people. D．It is easy even when the people are not friendly.
【简答题】A．Because hamburgers are good to eat. B．Because they are easy to make. C．Because they could sell hamburgers throughout the country. D．Because they thought they could make large profit.
【简答题】It is easy for boats to tumble over in the Colorado River because ______.
【单选题】Medicine should not be kept where it is ______ to children. [ ]
A.
easy
B.
high
C.
accessible
D.
acceptable
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