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【单选题】
下面关于LOS告警的说法正确的是（）A.
信号丢失，输入无光功率、光功率过低、光功率过高，使BER劣于10-3
B.
帧失步，搜索不到A1、A2字节时间超过625μs
C.
帧丢失，OOF持续3ms以上
D.
再生段背景误码块
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皮皮学刷刷变学霸
举一反三
【单选题】The bank manager asked his assistant if it was possible for him to________the investment plan within a week.
A.
work out
B.
put out
C.
make out
D.
set out
【简答题】A.Listen to the dialogue. Take notes. Then complete the summary. Mr. Jackson works in the ___ 1 ___ with a good salary. As his old car is too old to be worth ____ 2 ____, he would like to have a newer...
【多选题】心脏叩诊的注意事项包括( )。
A.
病人仰卧位时，评估者叩诊板指与病人的肋间平行
B.
叩诊时用力均匀
C.
先叩心脏左界，再叩右界
D.
由上向下，由外向内叩诊
E.
移动板指时不要牵拉病人的皮肤
【简答题】Listen to the dialogue, then complete the summary. Mr. Jackson works in the___1___ with a good ____2__. As his old car is too old to be worth ____3___, he would like to have a ____4_____ one. Since he...
【单选题】The bank manager asked his assistant if it was possible for him to ________ the investment plan within a week.
A.
work on
B.
work for
C.
work towards
D.
work out
【简答题】Listen to the dialogue. Take notes. Then complete the summary. Summary Mr. Jackson works in the ____ _1__ ___ with a good salary. As his old car is too old to be worth _____2____, he would like to...
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