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【判断题】
频率为50赫兹的交流电,其周期是0.02秒。( )
A.
正确
B.
错误
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【简答题】题目: 16.This is _____ the most difficult job I have ever tackled. A) by rights B) by itself C) by oneself D) by far 题目: 17.It was imperative that I _____ as close as possible. A) be B) will be C)...
【简答题】S1:Shanghai Pilot Station. This is MV Blue Whale.Do you read me?S2:MV Blue Whale. This is Shanghai Pilot Station.Please change to Channel 16. Q:What is MV Blue Whale advised to do?A. To remain on Chan...
【单选题】A:Blue Sea. This is.Nutcracker. Follow me. Keep a distance 'of 120 metresbetween vessels. Over. B:Ndtcracker. This is Blue Sea. I’ll keep a distance of 120 metres between vessels. Over.Q:What is the ...
A.
To slow down
B.
To keep a distance of 120 metres between 'vessel
C.
To reduce speed
D.
 To stop engine .   .
【单选题】关于甲状腺描述,错误的是
A.
分左、左两个侧叶,中间有一峡部
B.
表面包裹两层被膜
C.
吞咽时可随喉上下移动
D.
分泌甲状腺素
E.
分泌的激素对神经系统发育影响不大
【单选题】俗称“花教”的藏传佛教教派是( )
A.
宁玛派
B.
格鲁派
C.
萨迦派
D.
噶举派
【单选题】有一星形连接的三相对称负载,已知其各相电阻R=8Ω,电感L=25.5mH,现把它接入线电压U L =380V、f=50Hz的三相线路中,求通过每相负载的电流。( )
A.
16A 、11A、22A;
B.
11A 、12A、22A;
C.
11A 、12A、24A;
D.
22A 、22A、22A。
【单选题】俗称花教的藏传佛教教派指的是()
A.
宁玛派
B.
萨迦派
C.
葛举派
D.
格鲁派
【简答题】My Cyber Friends These are photos of my cyber friends. This is Amy. She is a lovely girl. She is just 16 years old. Her mother is a doctor and her father is a banker. They are Americans. Amy isn’t a s...
【单选题】This is ________ ball. It's not ________ .
A.
the boy's, girl's
B.
the boy's, the girl's
C.
the boy, the girl
D.
boys', girls
【判断题】Nessus是世界上最流行的漏洞扫描程序,但其没有端口扫描的功能。
A.
正确
B.
错误
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