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【简答题】
绝对密实状态下的体积是指 A. 不包括孔隙在内的体积
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反馈参考答案：
举一反三
【简答题】阅读理解。 'It's over! Thank goodness!' School was over and I was tired. I sat at the front of the school bus. Janie, the driver, always tries to break the uncomfortable atmosphere (气氛) by talking. I try t...
【单选题】On February 3,1956,Autherine Lucy became the first African-American student to attend the University ofAlabama,although the dean of women refused to allow Autherine to live in a university dormitory. ...
A.
She moved into a dormitory.
B.
She sat in the front row of her class.
C.
She became terrified of the white rioters.
D.
She was befriended by an assistant to the university president.
【单选题】On the first day of teaching, Frank McCourt sat behind a desk because _________
A.
As a new teacher, he was shy and scared by the students
B.
He was lazy and reluctant to stand up to teach the students
C.
He thought teachers were authoritative so that he could sit during teaching
D.
He just arrived at the classroom earlier and was waiting for the students
【单选题】A questionnaires is sent to a selected number of students who sit accountancy exams across a wide range of countries. They are selected by randomly picking a number of students from each country, in p...
A.
Stratified
B.
Cluster
C.
Systematic
D.
Multi-stage
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