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【单选题】
测定溶解氧的水样应在现场加入( )作保存剂。A.
硫酸
B.
硝酸
C.
氯化汞
D.
MnSO4和碱性KI-NaN3
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【简答题】( )位于小腿后面皮下,特别发达,使小腿后部隆起的肌肉。
【简答题】The father’s role in the family is important. One researcher says babies who are cared for by their fathers have greater cognitive (认知的) development at one year of age than babies not cared for by the...
【单选题】---Are you ____ about food? ---No, anything will do.
A.
curious
B.
anxious
C.
particular
D.
cared
【简答题】( )位于小腿后面皮下,特别发达,使小腿后部隆起,它包括浅层的( )和深层的( )。
【单选题】Clarke could have fought against the stipulation if _____________.
A.
he had not cared about having a criminal record
B.
he had been out of work
C.
he had not cared about his son
D.
he had had witnesses to support him
【单选题】In general, the ancient Romans were a practical people. They cared less about philosophy anti pure mathematics than did the Greeks. The Romans were the best of the ancient engineers anti architects. T...
A.
they could use their knowledge in their constructions
B.
they learned geometry and trigonometry very well
C.
they paid no attention to philosophy and pure mathematics
D.
they could became engineers and architects
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