【单选题】【消耗次数：1】
It is not necessary to ( ) these roles as provider and user.
①
confuse
②
promote
③
designate
④
serve
参考答案：
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相关题目
【单选题】
What are the possible roles of a teacher?
①
Controller, assessor
②
Organizer, prompter
③
Participant, resource-provider
④
All of the above.
【单选题】
We will comprehensively promote () education.
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high
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enormous
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religious
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well-rounded
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In the Chinese household, grandparents and other relative play ___ roles in raising children.
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incapable
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indispensable
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insensible
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infinite
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The new cut in interest rate ____ promote domestic investment.
①
means to
②
directs toward
③
is meant to
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leads to
【单选题】
The new cut in interest rate _____promote domestic investment.
①
means to
②
directs toward
③
is meant to
④
leads to
【单选题】
在“关闭Windows”对话框中，选项“注销User1”的意思是( )。
①
关闭User1账户，进入用户登录界面
②
关闭User1账户，切换到系统管理员账户
③
关闭User1账户同时关闭计算机
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【单选题】
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一种面向连接的协议
②
一种简单的、面向数据报的传输层协议
③
主要用在要求数据发送确认或者通常需要传输大量数据的应用程序中
④
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【简答题】
Fill in the blanks with the words or phrases given below. Change the form if necessary.[capture; desperate; turn out; so far; in question; domestic; equivalent; exploit; inspire; apart from; be obsessed by; in that case; promote; intimate; recession; trend; go by; take refuge in]2. Latelythere has been a[填空1]towards hiring younger, cheaper employees.
【简答题】
Fill in the blanks with the words or phrases given below. Change the form if necessary.[capture; desperate; turn out; so far; in question; domestic; equivalent; exploit; inspire; apart from; be obsessed by; in that case; promote; intimate; recession; trend; go by; take refuge in]2. Latelythere has been a[填空1]towards hiring younger, cheaper employees.
随机题目
【判断题】
醛、酮通常采用系统命名法命名。选择含有羰基的最长碳链为主链，从距羰基最近的一端编号，根据主链的碳原子数称为“某醛”或“某酮”。因为醛基处在分子的一端，命名醛时可不用标明醛基的位次，但酮基的位次必须标明。
①
正确
②
错误
【判断题】
甲烷和四氯化碳是对称分子，各键矩向量和为零，故为非极性分子。氯甲烷分子中C-Cl键矩未被抵消，μ=1.94D，为极性分子。 所以，键的极性和分子的极性是不相同的。
①
正确
②
错误