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【单选题】
锅炉与舱壁间的拉牵不易过分紧张,以保证锅炉( )。
A.
工作受热后能自由膨胀变形
B.
工作巡回检查便利
C.
不发生倾倒
D.
不影响船体强度
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皮皮学刷刷变学霸
举一反三
【单选题】The reason that Marcel Rohner thought the change of approach was “distracting” is _____
A.
this change was unexpected to take place in such a situation.
B.
this change was result of the advice of auditors and regulators.
C.
this change was  not favorite to UBS's speculation about the bank's exposure.
D.
this change was taken to make people dispel their guess.
【单选题】以下有关我国保险监管的叙述正确的是( )。 ①监管对象是在中华人民共和国境内经营商业保险业务的保险人、再保险人和保险中介人 ②保险消费者也是保监会监管的对象 ③保监会在全国各省、自治区、直辖市、计划单列市设有36个派出机构,并设有5个保监分局 ④派出机构在保监会授权范围内具体负责辖内保险市场监管
A.
①③④
B.
②③⑤
C.
①②③
D.
①②③④
【多选题】幼小衔接工作的主要内容包括( )
A.
培养儿童对小学生活的热爱和向往。
B.
培养儿童对小学生活的适应性。
C.
做好入学前的学习准备。
D.
培养幼儿身心全面的发展。
【多选题】儿童入学前的学习准备,包括( )
A.
培养阅读兴趣
B.
通过多种练习,加强用笔能力。
C.
培养儿童的注意力,自制力和坚持性。
D.
加强思维训练
【单选题】5个月母乳喂养儿,生长发育良好。现母乳量略有不足,正确的做法是
A.
改为人工喂养
B.
改为部分母乳喂养
C.
改为混合喂养
D.
继续母乳喂养,并开始添加辅食
E.
改为人工喂养,并开始添加辅食
【单选题】纯金属均匀形核时
A.
当过冷度很小时,原子可动性低,相变驱动力低,因此,形核率低;
B.
当过冷度很小时,原子可动性高,相变驱动力高,因此,形核率低;
C.
当过冷度很小时,原子可动性低,相变驱动力高,因此,形核率低;
D.
当过冷度很小时,原子可动性高,相变驱动力低,因此,形核率低;
【多选题】液态金属结晶时,均匀形核和非均匀形核相比,( )是正确的。
A.
均匀形核和非均匀形核的临界晶核半径相等
B.
均匀形核的临界晶核半径大于非均匀形核的
C.
均匀形核的形核功与非均匀形核的形核功相等
D.
非均匀形核的形核功小于均匀形核的
【单选题】According to Paragraph 3, the most probable reason for the death of the mice in Aders experiment was that _____.
A.
they had been weakened psychologically by the saccharin
B.
the sweetener was poisonous to them
C.
their immune systems had been altered by the mind
D.
they had taken too much sweetener during earlier conditioning
【简答题】转基因植物的种类有哪些?
【单选题】Part of the reason for the change in focus from economics to a more multifaceted approach to the psychological effects on doing work was ______.
A.
due to the recognition that workers should be happy at work to maintain high productivity
B.
a general conclusion that pay was sometimes not the most important factor
C.
because the Hawthorne study continued for so long
D.
because the workers requested it
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