问答题

哪种塑料外卖打包盒可以放进微波炉加热？

答案：

A.按压后变形不大的

B.盒身标注5号PP

正确答案：B

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单项选择题

Hydrophobic interaction in protein is giving important stabilizationcontributions ( )

A．to proteins secundary- and tertiary structure
B．just to the orientation of polar amino acids
C．to the proteins primary structure
D．after every possible hydrogen bonding are formed
E．only in hydrophobic faces

吃太咸的食物容易患老年痴呆吗？

答案：

A.只是危言耸听

B.确实如此

正确答案：B

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