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【单选题】
下列关于酶的叙述，哪一条是不正确的A.
酶是一种催化剂
B.
酶的本质是蛋白质
C.
酶反应前后没有结构和性质上的改变
D.
酶可缩短反应达到平衡所需时间
E.
酶可以改变反应平衡点
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】资本主义国家的职能是以服务于资本主义制度和资产阶级利益为根本内容的。最鲜明体现资本主义国家实质的国家职能是
A.
政治职能
B.
经济职能
C.
社会公共管理职能
D.
对外交往职能
【单选题】Which of the following is not the annouyance of email?
A.
no immediate response.
B.
no promise that the mail will be read carefully enough.
C.
no need of all the unnecessary chitchat
D.
no way to ensure it will be read the moment it is received.
【简答题】资本主义国家的职能是以服务于资本主义制度和全体人民的根本利益为内容的。
【单选题】A user calls about a problem with receiving email. After troubleshooting the user’s computer and finding nothing wrong, the technician contacts the email sender and finds out the user gave out their e...
A.
“Sometimes computers are just strange, but it seems to be working now.”
B.
“You gave them the wrong address and caused this problem.”
C.
“The sender had the e-mail address wrong, but they have it correct now and the problem has been resolved.”
D.
“The SMTP server was not getting a proper resolution of the recipient name field when it was parsing the header.”
【判断题】资本主义国家的职能以服务于资本主义制度和资产阶级利益为根本内容,包括对内和对外两个基本方面,即对内实行政治统治和社会管理,对外进行国际交往和维护国家安全及利益。
A.
正确
B.
错误
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