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【单选题】
氧气顶吹转炉炼钢脱碳速度越快，炉渣的氧化性将A.
增强
B.
减弱
C.
先增强后减弱
D.
先减弱后增强
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举一反三
【单选题】I borrowed two books. ( ) is in English, and( ) is in Chinese.
A.
It; another
B.
One; another
C.
The one; another
D.
One; the other
【简答题】用assign描述的语句我们一般称之为（）逻辑，并且它们是属于并行语句，即于语句的书写次序无关。而用always描述的语句我们一般称之为组合逻辑或（）逻辑，并且它们是属于串行语句，即于语句的书写有关。
【单选题】I borrowed two books. One is in English, and _______ is in Chinese.
A.
another
B.
other
C.
the other
【单选题】—I borrowed two books from the library yesterday. —Be careful. If you lost it you must _____ it. [ ]
A.
pay
B.
pay for
C.
cost
D.
spent
【单选题】Which of the following is NOT true?
A.
a. Eleanor and Corinne are sisters.
B.
b. Nanny and Barbara are grandmother and granddaughter.
C.
c. Barbara and Corinne are mother and daughter.
D.
d. Nanny and Corinne are grandmother and granddaughter.
【单选题】Which of the following is NOT true?
A.
． Obama’s father was born in Kenya.
B.
． Obama has a son and a daughter.
C.
． Obama once worked in Africa.
D.
． Obama got good education in Harvard University.
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