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【单选题】
配合滴定所用的金属指示剂同时也是一种A.
掩蔽剂
B.
显色剂
C.
配位剂
D.
弱酸弱碱
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反馈参考答案：
举一反三
【简答题】Which of the following is the best summing-up of the passage? _____ A: Culture conflicts in movie. B: What is Gua Sha? C: Gua Sha in America and Spain. D: Culture conflicts in real life.
【单选题】Of the following suggested titles the one most accurately summing up the passage is______.
A.
The Dangers of Modern Technology
B.
The Problem of Oil Pollution
C.
Some Interesting Accidents
D.
A Meeting of the British Association
【简答题】危险货物仅办理哪些方式的铁路运输？
【单选题】One of the summing constraints is____________.
A.
the inverting input conducts no current to the amplifier
B.
no current flows into either input terminal of the ideal op amp
C.
the inverting input is connected to the noninverting input
D.
the voltage between the two input terminals is non-zero
【简答题】在技术站,尤其是编组站, 工作更是主要的生产活动,处于中间环节地位。
【单选题】The judge will give his summing-up at tomorrow's court ______.
A.
period
B.
course
C.
session
D.
schedule
【单选题】已知类A中一个成员函数说明如下:void set(A &a);其中,A &a的含义是什么?
A.
用指向类A的指针变量a作为参数
B.
将a的地址赋给变量set
C.
a是类A的对象引用，用它来作函数set的形参
D.
用变量A与a按位相与作为函数set()的参数
【单选题】Who is responsible for summing up all the arguments?
A.
The first debater
B.
The second debater
C.
The third debater
D.
The fourth debater
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