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【判断题】
凸缘联轴器是把两 个带有凸缘的半联轴器分别用键和轴连接,再用螺栓把两个半联轴器连接成一体,以传递转矩和运动。
A.
正确
B.
错误
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举一反三
【单选题】Now you will hear a passage. At the end of the passage, you will hear some questions. After you hear a question, choose the best answer from the four choices.
A.
Because she wanted to save people’s lives.
B.
Because she got excellent scores on exams.
C.
Because she was so confident in herself.
D.
Because her mother was born blind.
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【单选题】Now you will hear a short conversation. Listen carefully and choose the best answer from the four possible choices. u05_2.1_1.mp3:
A.
Because she had beaten herself up about it already.
B.
Because she had stayed with her mother so much already.
C.
Because her mother had forgiven her about it already.
D.
Because her mother had never been ashamed of her.
查看完整题目与答案
【单选题】在动物体内葡萄糖和脂肪酸分解成共同的中间代谢物质进入三羧酸循环，这种物质是（ ）
A.
乙酰CoA
B.
丙酸
C.
琥珀酰CoA
D.
α-磷酸甘油
E.
乳酸
查看完整题目与答案
【单选题】峰电位存在的时期为（）。
A.
绝对不应期
B.
低常期
C.
相对不应期
D.
超常期
E.
正常反应时期
查看完整题目与答案
【单选题】Part B Directions: You will hear four dialogues or monologues. Before listening to each one, you will have 5 seconds to read each of the questions which accompany it. While listening, answer each ques...
A.
They don't get rid of flabby arm.
B.
They can damage arm muscles.
C.
They aren't acceptable to most people.
D.
They can raise one's blood pressure.
查看完整题目与答案
【单选题】单人徒手进行心肺复苏术抢救,胸外心脏按压与口对口人工呼吸吹气之比为15:2,交替进行。 ( )
A.
是
B.
否
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【单选题】Now you will hear a lecturer giving some students advice on how to balance their studies and their freetime. Select the correct completed sentences. 21 曲目 21.mp3: 1.
A.
so you’ll have to do a lot more things for yourself, like buying your own food, washing your clothes
B.
so you’ll have to do lots more things for yourself, like buying your own food, washing your clothes
查看完整题目与答案
【单选题】Directions: Now you will hear a passage. At the end of the passage, you will hear some questions. After you hear a question, choose the best answer from the four choices.
A.
Called their son's name loudly and desperately.
B.
Searched for bear prints in the mountain forest.
C.
Cried immediately because they were so scared.
D.
Called the police to seek some urgent help finally.
查看完整题目与答案
【单选题】在动物体内葡萄糖和脂肪酸分解成共同的中间代谢物质进入三羧酸循环，这种物质是( )
A.
乙酰CoA
B.
丙酸
C.
琥珀酰CoA
D.
a-磷酸甘油
E.
乳酸
查看完整题目与答案
【单选题】Directions: Now you will hear a passage. At the end of the passage, you will hear some questions. After you hear a question, choose the best answer from the four choices.
A.
Because she wanted to save people's lives.
B.
Because she got excellent scores on exams.
C.
Because she was so confident in herself.
D.
Because her mother was born blind.
查看完整题目与答案
相关题目：
【单选题】Now you will hear a passage. At the end of the passage, you will hear some questions. After you hear a question, choose the best answer from the four choices.
A.
Because she wanted to save people’s lives.
B.
Because she got excellent scores on exams.
C.
Because she was so confident in herself.
D.
Because her mother was born blind.
查看完整题目与答案
【单选题】Now you will hear a short conversation. Listen carefully and choose the best answer from the four possible choices. u05_2.1_1.mp3:
A.
Because she had beaten herself up about it already.
B.
Because she had stayed with her mother so much already.
C.
Because her mother had forgiven her about it already.
D.
Because her mother had never been ashamed of her.
查看完整题目与答案
【单选题】在动物体内葡萄糖和脂肪酸分解成共同的中间代谢物质进入三羧酸循环，这种物质是（ ）
A.
乙酰CoA
B.
丙酸
C.
琥珀酰CoA
D.
α-磷酸甘油
E.
乳酸
查看完整题目与答案
【单选题】峰电位存在的时期为（）。
A.
绝对不应期
B.
低常期
C.
相对不应期
D.
超常期
E.
正常反应时期
查看完整题目与答案
【单选题】Part B Directions: You will hear four dialogues or monologues. Before listening to each one, you will have 5 seconds to read each of the questions which accompany it. While listening, answer each ques...
A.
They don't get rid of flabby arm.
B.
They can damage arm muscles.
C.
They aren't acceptable to most people.
D.
They can raise one's blood pressure.
查看完整题目与答案
【单选题】单人徒手进行心肺复苏术抢救,胸外心脏按压与口对口人工呼吸吹气之比为15:2,交替进行。 ( )
A.
是
B.
否
查看完整题目与答案
【单选题】Now you will hear a lecturer giving some students advice on how to balance their studies and their freetime. Select the correct completed sentences. 21 曲目 21.mp3: 1.
A.
so you’ll have to do a lot more things for yourself, like buying your own food, washing your clothes
B.
so you’ll have to do lots more things for yourself, like buying your own food, washing your clothes
查看完整题目与答案
【单选题】Directions: Now you will hear a passage. At the end of the passage, you will hear some questions. After you hear a question, choose the best answer from the four choices.
A.
Called their son's name loudly and desperately.
B.
Searched for bear prints in the mountain forest.
C.
Cried immediately because they were so scared.
D.
Called the police to seek some urgent help finally.
查看完整题目与答案
【单选题】在动物体内葡萄糖和脂肪酸分解成共同的中间代谢物质进入三羧酸循环，这种物质是( )
A.
乙酰CoA
B.
丙酸
C.
琥珀酰CoA
D.
a-磷酸甘油
E.
乳酸
查看完整题目与答案
【单选题】Directions: Now you will hear a passage. At the end of the passage, you will hear some questions. After you hear a question, choose the best answer from the four choices.
A.
Because she wanted to save people's lives.
B.
Because she got excellent scores on exams.
C.
Because she was so confident in herself.
D.
Because her mother was born blind.
查看完整题目与答案