A.6.4
B.8.0
C.10.0
D.12.0
第2题
A.in common
B.by common
C.under common
D.among common
第3题
A.Confocal microscope
B.Compound microscope
C.Phase contrast microscope
D.Scanning electron microscope
第4题
A.exchange his microscope for three pounds
B.borrow his microscope and pays three pounds
C.have his microscope repaired with three pounds
D.lend his microscope for three pounds
第5题
A.exchange his microscope for three pounds
B.borrow his microscope and pays three pounds
C.have his microscope repaired with three pounds
D.lend his microscope for three pounds
第8题
B、integrity
C、aspiration
D、courtesy
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