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【单选题】
在液压系统中由于油泵、油缸的效率损失过大，油箱散热条件较差，( )故障产生。
A.
噪声
B.
爬行
C.
泄露
D.
油高
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
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【单选题】关于成牙本质细胞描述哪项是正确的
A.
成牙本质细胞是一种“终止细胞”
B.
成牙本质细胞经刺激后可分化为成纤维细胞
C.
成牙本质细胞经刺激后也可分化为成骨细胞
D.
成牙本质细胞经刺激后还可分化为巨噬细胞
E.
以上都对
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【单选题】If someone’s pet dies, don’t say, “Oh! It was only a cat!” or “My roommate doesn’t like her dog and she is getting rid of her dog. Do you want it?” Do say. “I’m sorry, she was such a great cat. ...
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Don’t worry too much. I’ll give you a good one
B.
. I’m sorry to hear that. It was such a good dog.
C.
I’m sorry you lost your dog, but it lived long enough.
D.
You must be sad about it. That’s enough.
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【单选题】寄生虫的成虫或有性生殖阶段所寄生的宿主称为
A.
终宿主
B.
中间宿主
C.
保虫宿主
D.
储存宿主
E.
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【单选题】声音的感受细胞位于
A.
鼓膜上
B.
听骨链连接处
C.
咽鼓管开口处
D.
内耳基底膜上
E.
壶腹嵴
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【单选题】关于成牙本质细胞描述哪项是正确的
A.
成牙本质细胞是一种"终止细胞"，一旦分化就不再分裂
B.
成牙本质细胞经刺激后可分化为成纤维细胞
C.
成牙本质细胞经刺激后也可分化为成骨细胞
D.
成牙本质细胞经刺激后还可分化为巨噬细胞
E.
以上都对
查看完整题目与答案
【单选题】--Do you know what caused the fire? -- Oh, it was all my _______________. I left the candles burning and forgot them.
A.
false
B.
fault
C.
fate
D.
fall
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【单选题】听力原文：M: What happened at your farm when the earthquake passed? W: Oh, it was terrible, I'll never forget it to my dying day. I hope I never see anything like that again. It was terrible. M: But that's...
A.
Ruined by file earthquake.
B.
Moved 3 meters.
C.
As good as ever.
D.
Unknown.
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【单选题】船长在消防紧急应变中,履行自己“报告”职责时,报告内容如何确定
A.
可以根据情况，自行确定
B.
查阅船舶的应急计划，根据计划报告
C.
查阅公司提供的ISM文件，根据文件要求报告
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【单选题】听力原文：M: What happened at your farm when the earthquake passed? W: Oh, it was terrible. I'll never forget it to my dying day. I hope I never see anything like that again. It was terrible. M: But that's...
A.
Ruined by the earthquake.
B.
Moved 3 meters.
C.
As good as ever.
D.
Unknown.
查看完整题目与答案
【单选题】船长在消防紧急应变中,履行自己“报告”的职责时,报告内容如何确定 。
A.
可以根据情况,自行确定
B.
查阅船舶的应急计划,根据计划报告
C.
查阅公司提供的ISM文件,根据文件要求报告
查看完整题目与答案
相关题目：
【单选题】关于成牙本质细胞描述哪项是正确的
A.
成牙本质细胞是一种“终止细胞”
B.
成牙本质细胞经刺激后可分化为成纤维细胞
C.
成牙本质细胞经刺激后也可分化为成骨细胞
D.
成牙本质细胞经刺激后还可分化为巨噬细胞
E.
以上都对
查看完整题目与答案
【单选题】If someone’s pet dies, don’t say, “Oh! It was only a cat!” or “My roommate doesn’t like her dog and she is getting rid of her dog. Do you want it?” Do say. “I’m sorry, she was such a great cat. ...
A.
Don’t worry too much. I’ll give you a good one
B.
. I’m sorry to hear that. It was such a good dog.
C.
I’m sorry you lost your dog, but it lived long enough.
D.
You must be sad about it. That’s enough.
查看完整题目与答案
【单选题】寄生虫的成虫或有性生殖阶段所寄生的宿主称为
A.
终宿主
B.
中间宿主
C.
保虫宿主
D.
储存宿主
E.
带虫者
查看完整题目与答案
【单选题】声音的感受细胞位于
A.
鼓膜上
B.
听骨链连接处
C.
咽鼓管开口处
D.
内耳基底膜上
E.
壶腹嵴
查看完整题目与答案
【单选题】关于成牙本质细胞描述哪项是正确的
A.
成牙本质细胞是一种"终止细胞"，一旦分化就不再分裂
B.
成牙本质细胞经刺激后可分化为成纤维细胞
C.
成牙本质细胞经刺激后也可分化为成骨细胞
D.
成牙本质细胞经刺激后还可分化为巨噬细胞
E.
以上都对
查看完整题目与答案
【单选题】--Do you know what caused the fire? -- Oh, it was all my _______________. I left the candles burning and forgot them.
A.
false
B.
fault
C.
fate
D.
fall
查看完整题目与答案
【单选题】听力原文：M: What happened at your farm when the earthquake passed? W: Oh, it was terrible, I'll never forget it to my dying day. I hope I never see anything like that again. It was terrible. M: But that's...
A.
Ruined by file earthquake.
B.
Moved 3 meters.
C.
As good as ever.
D.
Unknown.
查看完整题目与答案
【单选题】船长在消防紧急应变中,履行自己“报告”职责时,报告内容如何确定
A.
可以根据情况，自行确定
B.
查阅船舶的应急计划，根据计划报告
C.
查阅公司提供的ISM文件，根据文件要求报告
查看完整题目与答案
【单选题】听力原文：M: What happened at your farm when the earthquake passed? W: Oh, it was terrible. I'll never forget it to my dying day. I hope I never see anything like that again. It was terrible. M: But that's...
A.
Ruined by the earthquake.
B.
Moved 3 meters.
C.
As good as ever.
D.
Unknown.
查看完整题目与答案
【单选题】船长在消防紧急应变中,履行自己“报告”的职责时,报告内容如何确定 。
A.
可以根据情况,自行确定
B.
查阅船舶的应急计划,根据计划报告
C.
查阅公司提供的ISM文件,根据文件要求报告
查看完整题目与答案