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【单选题】
文献按载体形式可以划分为( )
A.
零次文献 、一次文献、二次文献、三次文献
B.
印刷型、缩微型、视听型、电子型等
C.
图书、期刊、科技报告、专利文献等
D.
以上都不对
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参考答案:
举一反三
【多选题】往复泵调节流量的方法有()。
A.
改变活塞往复的频率
B.
调节出口阀的开度
C.
调节旁路阀的开度
D.
调节泵的冲程大小
【单选题】I often receive careful tuition from my tutor.
A.
学费
B.
指导
C.
讲解
【单选题】But, behind the scenes, a series of technological innovations known broadly as containerization and intermodal transportation had led to swift productivity improvements in cargo-handling. What is the ...
A.
A series of technological innovations and intermodal transportation had led to swift productivity improvements in cargo-handling.
B.
Intermodal transportation had led to swift productivity improvements.
C.
A series of technological innovations had led to swift productivity improvements.
D.
Containnerization and intermodal transportation had led to swift productivity improvements in cargo-handling.
【多选题】硬脂酸镁干扰的排除可以考虑以下哪些方法
A.
条件反应的条件
B.
提取分离法
C.
加入掩蔽剂
D.
改用紫外可见分光光度法
E.
改用沉淀滴定法
【单选题】广告行业规范是指广告行业组织、广告经营者和广告主履行制定的约束本行业或企业从事广告活动的广告公约和各种规章,隶属于( )。
A.
广告行业道德规范
B.
广告职业道德范畴
C.
广告组织道德规范
D.
广告公司道德规范
【简答题】往复泵的流量调节方法有: ( ) 及改变活塞往复频率和冲程。
【单选题】哪一战是以迂为直的典型例证?
A.
吴楚柏举之战
B.
吴越笠泽之战
C.
召陵之盟
D.
泓之战
【单选题】有下列几种说法(1)作用力的冲量与反作用力的冲量总是等值反向的;(2)系统的内力不能改变系统的总动量;(3)冲量的方向与物体动量的方向相同;(4)以恒力作用于物体,时间越长,物体的动量越大。下列对上述说法判断正确的是()
A.
( A )只有( 1 )是正确的;
B.
( B )( 1 )( 2 )是正确的;
C.
( C )( 1 )( 3 )是正确的;
D.
( D )( 2 )( 4 )是正确的。
【单选题】The professor ________ you at the party was my tutor (导师).
A.
making himself knowing
B.
making him known for
C.
making himself known to
D.
makes he known to
【单选题】Intermodal has become popular because ___.
A.
it offers “one-stop” shopping for shippers
B.
it means shippers do not have to worry about making changes between transport modes
C.
it means ocean shipping companies offer transportation in modes other than in their core competency
D.
All of the above
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