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【判断题】
碳素结构钢按其化学成分和力学性能分为Q195、Q215、Q235、Q255、Q275等五个牌号。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】为了防止一笔所得国内、国外都不被征税(又称双重免税)或只被课征较轻的税收,实行单边免税的国家对本国居外来源的所得免税往往有严格的限定条件。只有符合以下条件的所得才适用于免税法。这些条件是?
【单选题】Question 20:
A.
He travels all over America to help put out fires.
B.
He often teaches children what to do during a fire.
C.
He teaches Spanish in a San Francisco community.
D.
He provides oxygen masks to children free of charge.
【单选题】Question 20
A.
Cars will run on new, clean fuels and they will go very fast.
B.
People will travel by car from Los Angels to Tokyo in just two hours.
C.
Robots will be commonly seen.
D.
We will be able to help blind and deaf people see again and hear again.
【单选题】question 20
A.
20. A) Allow them to play interesting games in class.
B.
B) Try to stir up their interest in lab experiments.
C.
C) Let them stay home and learn from their parents.
D.
D) Design activities they now enjoy doing on holidays.
【单选题】Question 20
A.
Environmental issues.
B.
Inequality.
C.
Workers rights.
D.
Economic growth.
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