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【单选题】
根据能量守恒定律,下列情形可能发生的是 ( )A.
随着科学技术不断发展和提高,永动机是可以制成的
B.
两个斜面相对连接,小球从左斜面滚下后冲上右斜面
C.
电水壶里的水沸腾后断电,水的沸腾却一直持续下去
D.
出枪膛的子弹射穿木板后,以更快的速度继续运动
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举一反三
【简答题】车桥有 、 两种。
【单选题】听力原文：W: Stan, do you have a minute? M: Oh, hi, Cathy. Sure. What's up? W: Well, I've been meaning to talk to you about the situation in the office. M: I'm not in there very often. It's so noisy that I...
A.
There aren't enough cabinets.
B.
There is too much noise.
C.
Office supplies are taking up space.
D.
Some teaching assistants don't have desks.
【单选题】听力原文：W: Stan, do you have a minute? M: Oh, hi, Cathy. Sure. What's up? W: Welt, I've been meaning to talk to you about the situation in the office. M: I'm not in there very often. It's so noisy that I...
A.
There aren't enough cabinets.
B.
There is too much noise.
C.
Office supplies are taking up space.
D.
Some teaching assistants don't have desks.
【多选题】试件地质描述包括哪些方面?
A.
试硐编号、位置、硐底高程、方位、硐深、断面形状及尺寸、开挖方式及日期等
B.
试件编号、层位、尺寸及制备方法等
C.
试段开挖方法及出现的岩体变形破坏等情况
D.
岩石类型、结构构造及主要矿物成分和风化程度
E.
地下水情况
F.
岩体结构面类型、产状、性质、隙宽、延伸性、密度及充填物性质等情况
G.
地质描述应提交的图件
【单选题】听力原文：W: Stan, do you have a minute? M: Oh, hi, Cathy. Sure. What's up? W: Well, I've been meaning to talk to you about the situation in the office. M: I'm not in there very often. It's so noisy that I...
A.
There aren't enough cabinets.
B.
There is too much noise.
C.
Office supplies are taking up space.
D.
Some teaching assistants don't have desks.
【简答题】近年来，为了控制噪声污染，改善居民的生活环境，有些城市采取了城区禁止汽车鸣笛、道路两边种花植树、高架桥两侧安装隔声板等措施。下图所示的标志中，表示“禁止鸣笛”的是
【简答题】根据车辆悬架类型以及传动 系 的不同 , 车桥有()、()两种分类
【单选题】近年来，为了控制噪声污染，改善居民的生活环境，有些城市采取了城区禁止汽车鸣笛、道路两边种花植树、高架桥两侧安装隔声板等措施。如图所示的标志中，表示“禁止鸣笛”的是： [ ]
A.
B.
C.
【单选题】听力原文：W: Do you know that Michel Owen had won the France Football Golden Ball Prize? M: No surprise, he had twenty goals in this season. What are the two speakers talking about?
A.
A football player.
B.
A football team.
C.
A football match.
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