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【多选题】
贝克曼梁测回弹弯沉的测试车轮胎气压满足要求的是( )。A.
0.70MPa
B.
0.75MPa
C.
0.65MPa
D.
0.78MPa
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举一反三
【单选题】听力原文： London in the 17th century was very attractive, like many European cities of the time. There was a beautiful cathedral, St. Paul's, and a magnificent Town Hall, the Guildhall. Also, there were m...
A.
Near Town Hall.
B.
In a narrow, dirty street.
C.
Behind many attractive churches.
D.
On the south side of the River Thames.
【单选题】There were not many ______ or ______.
A.
towns; churches
B.
town; church
C.
towns; church
D.
town; churches
【单选题】In our class, when the bell rang and the teacher closed his book, it was a ________ for everyone to stand up. [ ]
A.
signal
B.
chance
C.
mark
D.
measure
【单选题】下列描述最能确切表达质粒DNA作为克隆载体特性的是
A.
小型环状双链DNA
B.
携带有某些抗生素抗性基因
C.
在细胞分裂时恒定地传给DNA
D.
具有自我复制功能,
E.
获得目的基因
【简答题】In our class, when the bell rang and the teacher closed his book, it was a ______ for everyone to stand up. A．signal B．chance C．mark D．measure
【单选题】All the following are closed class words EXCEPT______.
A.
conjunctions
B.
prepositions
C.
adjectives
D.
pronouns
相关题目：
【单选题】下列描述最能确切表达质粒DNA作为克隆载体特性的是
A.
小型环状双链DNA
B.
携带有某些抗生素抗性基因
C.
在细胞分裂时恒定地传给DNA
D.
具有自我复制功能,
E.
获得目的基因
参考解析：
知识点：
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