皮皮学，免费搜题
登录
logo - 刷刷题
搜题
【单选题】
根据《STCW规则》,所有负责值班的高级船员或参与值班的普通船员以及涉及指定的安全、防污染和保安职责的人员在任何24小时内的休息时间不应少于小时。
A.
10
B.
24
C.
6
D.
20
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案：
举一反三
【单选题】The researchers have tested their spray in the lungs.
A.
Right
B.
Wrong
C.
Not mentioned
查看完整题目与答案
【单选题】要手动变换物体轴心点位置,应该结合键盘上的哪个键操作?
A.
insert
B.
backspace
C.
ctral
D.
shift+ctrl
查看完整题目与答案
【多选题】四库系统包括下面哪些部件
A.
数据库
B.
规程库
C.
模型库
D.
经验库
查看完整题目与答案
【单选题】After years of ______ bee dancing, the scientist found that the dances have certain patterns.
A.
gazing
B.
watching
C.
observing
D.
viewing
查看完整题目与答案
【简答题】The researchers have just completed a study of driving situations.
查看完整题目与答案
【单选题】以下哪项描述是正确的 ?
A.
浮地电源直接由实地电源提供
B.
浮地电路和实地电路物理上完全隔离
C.
浮地电源和实地电源的参考电位是等电位
D.
实地电源由交流电源提供，浮地电源由直流电源提供
查看完整题目与答案
【单选题】According to the researchers, the traditional treatment for bee stings is ______.
A.
widespread
B.
extremely harmful
C.
almost futile
D.
sensitizing
查看完整题目与答案
【单选题】The sentence in the ninth paragraph, 'researchers are not likely to have anything resembling a blood test for a mental illness soon'means that_____.
A.
mental illness can not be diagnosed by blood test.
B.
there is not a definite criterion for mental illness.
C.
researchers do not like to use blood test.
D.
techniques have gained enough progress but are still not enough for mental illness.
查看完整题目与答案
【单选题】以下描述是正确的是
A.
浮地电源直接由实地电源提供
B.
浮地电路和实地电路物理上完全隔离
C.
浮地电源和实地电源的参考点是等电位的
D.
实地电源由交流电源提供，浮地电源由直流电源提供
查看完整题目与答案
【单选题】— What doesn't have wings? — _______________. [     ]
A.
A bird
B.
A bee
C.
A fish
查看完整题目与答案
相关题目：
【单选题】The researchers have tested their spray in the lungs.
A.
Right
B.
Wrong
C.
Not mentioned
查看完整题目与答案
【单选题】要手动变换物体轴心点位置,应该结合键盘上的哪个键操作?
A.
insert
B.
backspace
C.
ctral
D.
shift+ctrl
查看完整题目与答案
【多选题】四库系统包括下面哪些部件
A.
数据库
B.
规程库
C.
模型库
D.
经验库
查看完整题目与答案
【单选题】After years of ______ bee dancing, the scientist found that the dances have certain patterns.
A.
gazing
B.
watching
C.
observing
D.
viewing
查看完整题目与答案
【简答题】The researchers have just completed a study of driving situations.
查看完整题目与答案
【单选题】以下哪项描述是正确的 ?
A.
浮地电源直接由实地电源提供
B.
浮地电路和实地电路物理上完全隔离
C.
浮地电源和实地电源的参考电位是等电位
D.
实地电源由交流电源提供，浮地电源由直流电源提供
查看完整题目与答案
【单选题】According to the researchers, the traditional treatment for bee stings is ______.
A.
widespread
B.
extremely harmful
C.
almost futile
D.
sensitizing
查看完整题目与答案
【单选题】The sentence in the ninth paragraph, 'researchers are not likely to have anything resembling a blood test for a mental illness soon'means that_____.
A.
mental illness can not be diagnosed by blood test.
B.
there is not a definite criterion for mental illness.
C.
researchers do not like to use blood test.
D.
techniques have gained enough progress but are still not enough for mental illness.
查看完整题目与答案
【单选题】以下描述是正确的是
A.
浮地电源直接由实地电源提供
B.
浮地电路和实地电路物理上完全隔离
C.
浮地电源和实地电源的参考点是等电位的
D.
实地电源由交流电源提供，浮地电源由直流电源提供
查看完整题目与答案
【单选题】— What doesn't have wings? — _______________. [     ]
A.
A bird
B.
A bee
C.
A fish
查看完整题目与答案
参考解析：
知识点：
题目纠错 0
发布
创建自己的小题库 - 刷刷题