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【简答题】
在铰链四杆机构中,与机架用转动副相连,且能绕该转动副轴线整圈旋转的构件称为 ;与机架用转动副相连,但只能绕该转动副轴线摆动的构件 ;直接与连架杆相联接,传递运动和动力的构件称为 。
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参考答案：
举一反三
【多选题】城市轨道交通的信号主要有( ) 轨旁指示标志和手信号等。
A.
固定信号
B.
车载信号
C.
隧道壁标志
D.
禁行标志
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【简答题】用所给词的适当形式填空。 l. He worked hard and has_____ (great) improved his English. 2. My mother always _____ (courage) me to study hard. 3. We all think Nie Haisheng and Fei Junlong are both_____ (hero), 4. Le...
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【简答题】用所给词的适当形式填空。 1. I think you have made a good (decide). 2. He told me that he (go) to the beach the next day. 3. We're supposed (finish) homework on time. 4. The boys (play) soccer when I got there. 5....
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【判断题】全球定位系统使用的卫星轨道均为近圆型，运行的周期约为24小时。
A.
正确
B.
错误
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【简答题】用所给词的适当形式填空。 1. He would like ________ (eat) dinner with friends. 2. We all have fun ________ (learn) English. 3. Please don’t ________ (listen) to music in class. 4. Let’s ________ (take) a walk in t...
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【单选题】商业相关主题新闻组的命名是()。
A.
news
B.
alt
C.
biz
D.
soc
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【单选题】商业相关主题新闻组的命名是()。P92
A.
news
B.
alt
C.
biz
D.
soc
查看完整题目与答案
【简答题】用所给词的适当形式填空。 1.All of them knew that Peter was good at_______ ( swim) . He can swim across the river easily. 2. She came from a village school, so her English_______ ( listen) was very bad. 3. It's no...
查看完整题目与答案
【判断题】全球定位系统使用的卫星轨道均为近圆型,运行的周期约为 24小时。
A.
正确
B.
错误
查看完整题目与答案
【简答题】用所给单词的适当形式填空。 1. He said, 'We all know that Beijing _____ (hold) the 2008 Olympic s in several months'. 2. The _____(act) is taking an _____(act) lesson. 3.I have to _____ (practice) my English. 4...
查看完整题目与答案
相关题目：
【多选题】城市轨道交通的信号主要有( ) 轨旁指示标志和手信号等。
A.
固定信号
B.
车载信号
C.
隧道壁标志
D.
禁行标志
查看完整题目与答案
【简答题】用所给词的适当形式填空。 l. He worked hard and has_____ (great) improved his English. 2. My mother always _____ (courage) me to study hard. 3. We all think Nie Haisheng and Fei Junlong are both_____ (hero), 4. Le...
查看完整题目与答案
【简答题】用所给词的适当形式填空。 1. I think you have made a good (decide). 2. He told me that he (go) to the beach the next day. 3. We're supposed (finish) homework on time. 4. The boys (play) soccer when I got there. 5....
查看完整题目与答案
【判断题】全球定位系统使用的卫星轨道均为近圆型，运行的周期约为24小时。
A.
正确
B.
错误
查看完整题目与答案
【简答题】用所给词的适当形式填空。 1. He would like ________ (eat) dinner with friends. 2. We all have fun ________ (learn) English. 3. Please don’t ________ (listen) to music in class. 4. Let’s ________ (take) a walk in t...
查看完整题目与答案
【单选题】商业相关主题新闻组的命名是()。
A.
news
B.
alt
C.
biz
D.
soc
查看完整题目与答案
【单选题】商业相关主题新闻组的命名是()。P92
A.
news
B.
alt
C.
biz
D.
soc
查看完整题目与答案
【简答题】用所给词的适当形式填空。 1.All of them knew that Peter was good at_______ ( swim) . He can swim across the river easily. 2. She came from a village school, so her English_______ ( listen) was very bad. 3. It's no...
查看完整题目与答案
【判断题】全球定位系统使用的卫星轨道均为近圆型,运行的周期约为 24小时。
A.
正确
B.
错误
查看完整题目与答案
【简答题】用所给单词的适当形式填空。 1. He said, 'We all know that Beijing _____ (hold) the 2008 Olympic s in several months'. 2. The _____(act) is taking an _____(act) lesson. 3.I have to _____ (practice) my English. 4...
查看完整题目与答案
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