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【简答题】
欲用莫尔法测定BaCl2.2H2O中的Cl-,如何消除Ba2+的干扰?
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【简答题】与外国人沟通时哪些话能说,哪些话不能说取决于()
【单选题】There are two version of quoting: author-focused and information-focused. Which of the following is author-focused version
A.
It is necessary to spend time clarifing the definition of plagiarism, because it is often wrongly used by students "to describe all academic dishonesty" (Carroll, 2002).
B.
We all agree that "time spend clarifing definitions is usually time well spent," because the words "plagiarism" is often wrongly used by students "to describe all academic dishonesty" (Carroll, 2002)
C.
Carrol (2002) claims that it is necessary to spend time clarifying the definition of plagiarism because it is often wrongly used by students "to describe all academic dishonesty."
D.
Although GMOs are gaining popularity in many countries, "serious concerns have been raised concerning the potential environmental and medical conswquances" (Lack, 2002)
【多选题】毛泽东认为社会主义社会存在两类不同性质的矛盾,分别是()
A.
敌我矛盾
B.
人民内部矛盾
C.
阶级矛盾
D.
社会基本矛盾
【判断题】槽型楼板有正槽板和反槽板两种。
A.
正确
B.
错误
【单选题】一颗非空的二叉树的先序遍历序列和后序便利序列正好相反,则该二叉树满足( )
A.
所有结点均无左孩子
B.
所有结点均无右孩子
C.
只有一个叶子结点
D.
任意二叉树
【单选题】毛泽东认为社会主义社会的矛盾反映在政治上可以划分为 ( )
A.
敌我矛盾和人民内部矛盾
B.
工人阶级和民族资产阶级的矛盾
C.
工人阶级和官僚资产阶级的矛盾
D.
政府和人民群众之间的矛盾
【单选题】组成曲柄连杆机构的3部分分别是活塞连杆组、曲轴飞轮组和:
A.
缸盖组
B.
机体组
C.
凸轮轴组
D.
气门组
【判断题】B2B医药电子商务交易模式是店——患交易和医——患交易。
A.
正确
B.
错误
【判断题】日本帝国数据行(简称TDB)成立于1900年,主要从事个人征信服务。
A.
正确
B.
错误
【单选题】In the author's opinion, education should
A.
be focused on moral courses.
B.
have a religious component.
C.
do away with objectionable doctrines.
D.
try to enhance students' moral standards.
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