A. Grace-time
B. Restart-time
C. Stale-routes-time
D. Restart-update-time
第1题:
假设所有类型的碱基替代速率都相同属于哪个模型?
A.Jukes and Cantor’s (JC) 模型
B.Kimura Two-Parameter (K-2) 模型
C.Four-Parameter 模型
D.Six-Parameter 模型
第2题:
第3题:
A MARK OR POSITION AT WHICH A VESSEL IS REQUIRED TO REPORT TO ESTABLISH ITS POSITION defines ______.
A.VTS point
B.Way point
C.Reference point
D.Establishment
第4题:
50.
A. after
B. with
C. while
D.during
第5题:
The bridge is ________ construction.
A、in
B、with
C、under
D、during
第6题:
A、that
B、this
C、the
D、which
第7题:
When do we have to pay the bill?
()December 30.
A. By
B. On
C. During
参考答案:A
第8题:
A.from
B.in
C.at
D.during
第9题:
[A] During
[B] For
[C] At
[D] Since