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【判断题】
起始晶粒度是指奥氏体刚形成完成时的晶粒大小，而实际晶粒度是指在某一加热条件下所得到的实际奥氏体晶粒大小A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】关于肿瘤的描述哪一项是错误的?
A.
肉瘤多发生于青少年
B.
恶性肿瘤多呈浸润性生长
C.
癌比肉瘤多见
D.
凡称为瘤的都是良性肿瘤
E.
癌前病变长期存在转变为癌的可能性很大
【单选题】There are so many international restaurants in the United States because
A.
many foreign tourists visit the United States every year.
B.
Americans enjoy eating out with their friends.
C.
the United States is a country of immigrants.
D.
Americans prefer foreign foods to their own food.
【单选题】Which is not the reading skill that the learners should be developed in reading class? ( )
A.
Guessing the word’s meaning
B.
Cooperating with others
C.
Making prediction based on vocabulary or title
D.
Making inference
【单选题】Which of the following is the tip for the basic reading skill – skimming?
A.
Read the title, subtitle and introduction.
B.
Keep in mind what you are searching for.
C.
Anticipate in which form the information is likely to appear.
D.
Read the entire sentence that has the information you seek.
【多选题】天然药物化学成分的预试验,一般
A.
测定各类成分的物理化学常数
B.
利用各类成分的检识反应
C.
可采用试管反应和色谱试验
D.
应用高效液相色谱
E.
测定UV和IR光谱进行检识
【简答题】The reading given when the pointer stops moving is the insulation resistance, which is normally high if the capacitor is in good condition.
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