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【多选题】
关于蛋白质变性的描述正确的有A.
粘度增加
B.
生物活性丧失
C.
空间结构完整
D.
一级结构不变
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反馈参考答案：
举一反三
【简答题】根据下面材料，回答 36～40 题。 第 36 题 According to the passage, some engineers are trying to improve the handlebars because
【单选题】ACM was established by ______.
A.
both mathematicians and electrical engineers
B.
some scientists
C.
computer engineers
D.
some universities
【单选题】According to the passage, some engineers are trying to improve the handlebars because______.
A.
they are not noble enough
B.
they may kill children
C.
they are likely to crash
D.
they make the bike move at a low speed
【单选题】根据下面短文内容，回答题。 The Most Wonderful Islands Some Dutch engineers are experienced in reclaiming land from the sea. 查看材料
A.
Right
B.
Wrong
C.
Not mentioned
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