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【多选题】
在寒暑假期间到期的图书怎么还?A.
寒暑假前到期的图书必须按期归还,否则过期罚款从到期之日算起(包括假期)
B.
在寒暑假期间到期的图书,系统已将借阅时间自动顺延至开学后一个月内
C.
在寒暑假期间到期的图书,可延至开学后两归还
D.
寒暑假期间图书馆每周开放日还书。
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举一反三
【单选题】( )指生产者用户根据所购产品的技术说明书,需要量、交货时间、退货条件、担保书等内容与供应商签订最后的订单。
A.
征求供应建议书
B.
选择供应商
C.
签订合约
D.
绩效评价
【单选题】一物体沿固定凹形圆弧光滑轨道由静止下滑,下滑过程中( )。
A.
它的加速度方向永远指向圆心，其速率保持不变。
B.
它受到的轨道的作用力的大小不断增加。
C.
它受到的合外力大小变化，方向永远指向圆心。
D.
它受到的合外力大小不变，其速率不断增加。
【简答题】昆虫的体壁颜色,因其形成方式可分为( )、( )、( )。
【单选题】Why does the professor say this:
A.
To emphasize the negativity of the public's reaction to a certain theory.
B.
To complain about the behavior. of the scientific community.
C.
To introduce a reason for a shift in scientific opinion.
D.
To ask the students their opinion of a theory he described.
【简答题】将 CaCO 3 (s) 、 (s) 和 CO 2 (g) 以任意比例混合,放入一密闭容器中,恒温下建立化学平衡,则系统的组分数 C =______ ;自由度 ¦ =________ 。
【单选题】Why does the student go to the professor's office?
A.
To change his schedule
B.
To apply for a job
C.
To introduce himself
D.
To help the professor
【单选题】Why does the professor say this:
A.
To remind the students of the topic for today's session
B.
To indicate that he expects the students to read the textbook
C.
To encourage the students to participate in the discussion
D.
To demonstrate his respect for the students in his class
【单选题】Why does the man go to see his professor?
A.
He is worried about the professor's class.
B.
He wants to bring up the grade in her class.
C.
He would like some advice about his classes.
D.
He needs to get the woman's signature.
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