皮皮学，免费搜题
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【多选题】
产品成本项目一般包括( )。A.
直接材料
B.
直接人工
C.
制造费用
D.
期间费用
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】交换值的幅度经常变动在 __________ 之间；交换值越接近 __________ ，说明两个连锁的非等位基因之间的连锁强度越大；当交换值越接近 __________ ，连锁强度越小。
【简答题】真分数的倒数一定大于1，假分数的倒数一定小于1．______．
【单选题】---Did the little boy manage _____ the suitcase upstairs? ---No, he didn’t. He isn’t strong enough even ______ it.
A.
to carry, moving
B.
carrying, to move
C.
to carry, to move
D.
carrying, moving
【简答题】假分数的倒数一定是小于1，真分数的倒数一定大于1．______．
【单选题】-- Why didn't Mike attend the evening party? -- He is a quiet boy; He loves reading at home ______ to parties.
A.
than go
B.
rather than going
C.
than going
D.
more than goes
【单选题】—Has the little boy been to America? —_____. [ ]
A.
Yes, he did
B.
No, he didn't.
C.
No, he hasn't
D.
Yes, he hasn't
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