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【单选题】
下列合法的IP地址是()A.
192,66,80,86
B.
115.11.2.61
C.
257.168.56.0
D.
127.20.288.6
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举一反三
【单选题】How to report your ship call sign to a shore station?
A.
Use capital letters.
B.
Use phonetic alphabet.
C.
Use letters and numbers.
D.
Use flag signals.
【单选题】The woman wants to know ______
A.
how to sign up for a course
B.
how she can help the man
C.
how she can change her sleep rhythms
D.
how sleep disorders are treated
【简答题】仿古砖通过样式、颜色、图案,营造出____的氛围。
【多选题】本次试验需要定性分析,对于定量要求不高,请选出最合适的传感器
A.
精度高的光学分析仪
B.
能精确测出浓度值的电化学燃烧式传感器
C.
灵敏度高但精度不高的半导体式传感器mq3和tgs822系列
D.
手持式热线型酒精传感器mr513
【简答题】阅读理解。 Your smile is a sign of how you're feeling, and who you are. People with brighter smiles and white teeth appear youthful, healthy, open to conversation and sure of themselves. A smile sends good...
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