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【单选题】
压力角是哪两个位置间的夹角?( )
A.
连杆与从动件连架杆或其延长线之间的夹角
B.
连杆的两个极限位置之间的夹角
C.
连杆作用到从动摇杆上的力F与力作用点处的速度v之间所夹的锐角
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参考答案：
举一反三
【单选题】S1:Yu Kun. This is pilot boat. Are you ready to receive the pilot? Over.S2:Pilot boat. This is Yu Kun. I'm ready to take the pilot. Pilot ladder is rigged on starboard side, one meter above water, ove...
A.
It is lowered 2 steps more.
B.
It is hoisted 2 steps more.
C.
It is lowered 3 steps more.
D.
It is hoisted 3 steps more.
查看完整题目与答案
【判断题】莫泊桑《我的叔叔于勒》、契诃夫《变色龙》和吴承恩《范进中举》,嬉笑怒骂,都入木三分地揭露和针砭了生活中的荒谬与丑陋,显示了讽刺的力量。
A.
正确
B.
错误
查看完整题目与答案
【单选题】组成我们人体自身的元素约50多种，人体由于缺少某种元素而易患骨质疏松症，该元素是（　　）
A.
锌
B.
钙
C.
铁
D.
碘
查看完整题目与答案
【单选题】S1:Yu Kun. This is pilot boat. Are you ready to receive the pilot? Over.S2:Pilot boat. This is Yu Kun. I'm ready to take the pilot. Pilot ladder is rigged on starboard side, one meter above water, ove...
A.
On port side, one meter above water.
B.
On port side, 1.5 meters above water.
C.
On starboard side, one meter above water.
D.
On starboard side, 1.5 meters above water.
查看完整题目与答案
【单选题】SATA 接口为多少针()
A.
7
B.
9
C.
15
D.
18
查看完整题目与答案
【单选题】－－－ This is my present for you. －－－ Oh, I _______ you would give me so nice a present.A．don’t t
A.
177. --- This is my present for you. --- Oh, I _______ you would give me so nice a present. A．don’t think
B.
never think
C.
didn’t think
D.
never thought
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【单选题】散热器上端是连接( )
A.
进水管
B.
出水管
查看完整题目与答案
【判断题】危险的整体概念由危险本身以及危险的后果组成,我们重点关注的应是危险本身。
A.
正确
B.
错误
查看完整题目与答案
【单选题】A: Port Control. This is Utopia. My present position is 132° 5 cables from Barwater. My course is 250°. My speed is 8 knots. Over.B: Utopia. This is Port Control. You are getting closer to the vesse...
A.
To stop engine.
B.
To heave up anchor.
C.
To reduce speed.
D.
To increase speed.
查看完整题目与答案
【简答题】宋代城市的娱乐场所叫瓦舍。下列对瓦舍的叙述,错误的是 [ ] A. 宋代社会经济的发展是主要原因 B. 宋代城市中固定的娱乐场所 C. 瓦舍的出现,反映了农民的需要 D. 瓦舍的出现,意味着宋代都市文化生活丰富多彩
查看完整题目与答案
相关题目：
【单选题】S1:Yu Kun. This is pilot boat. Are you ready to receive the pilot? Over.S2:Pilot boat. This is Yu Kun. I'm ready to take the pilot. Pilot ladder is rigged on starboard side, one meter above water, ove...
A.
It is lowered 2 steps more.
B.
It is hoisted 2 steps more.
C.
It is lowered 3 steps more.
D.
It is hoisted 3 steps more.
查看完整题目与答案
【判断题】莫泊桑《我的叔叔于勒》、契诃夫《变色龙》和吴承恩《范进中举》,嬉笑怒骂,都入木三分地揭露和针砭了生活中的荒谬与丑陋,显示了讽刺的力量。
A.
正确
B.
错误
查看完整题目与答案
【单选题】组成我们人体自身的元素约50多种，人体由于缺少某种元素而易患骨质疏松症，该元素是（　　）
A.
锌
B.
钙
C.
铁
D.
碘
查看完整题目与答案
【单选题】S1:Yu Kun. This is pilot boat. Are you ready to receive the pilot? Over.S2:Pilot boat. This is Yu Kun. I'm ready to take the pilot. Pilot ladder is rigged on starboard side, one meter above water, ove...
A.
On port side, one meter above water.
B.
On port side, 1.5 meters above water.
C.
On starboard side, one meter above water.
D.
On starboard side, 1.5 meters above water.
查看完整题目与答案
【单选题】SATA 接口为多少针()
A.
7
B.
9
C.
15
D.
18
查看完整题目与答案
【单选题】－－－ This is my present for you. －－－ Oh, I _______ you would give me so nice a present.A．don’t t
A.
177. --- This is my present for you. --- Oh, I _______ you would give me so nice a present. A．don’t think
B.
never think
C.
didn’t think
D.
never thought
查看完整题目与答案
【单选题】散热器上端是连接( )
A.
进水管
B.
出水管
查看完整题目与答案
【判断题】危险的整体概念由危险本身以及危险的后果组成,我们重点关注的应是危险本身。
A.
正确
B.
错误
查看完整题目与答案
【单选题】A: Port Control. This is Utopia. My present position is 132° 5 cables from Barwater. My course is 250°. My speed is 8 knots. Over.B: Utopia. This is Port Control. You are getting closer to the vesse...
A.
To stop engine.
B.
To heave up anchor.
C.
To reduce speed.
D.
To increase speed.
查看完整题目与答案
【简答题】宋代城市的娱乐场所叫瓦舍。下列对瓦舍的叙述,错误的是 [ ] A. 宋代社会经济的发展是主要原因 B. 宋代城市中固定的娱乐场所 C. 瓦舍的出现,反映了农民的需要 D. 瓦舍的出现,意味着宋代都市文化生活丰富多彩
查看完整题目与答案
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