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【简答题】
根据句意和首字母或汉语提示完成单词。 1. A few readers are going to learn a f______ language. 2. Many v______ come to Rizhao for vacations every year. 3. Thanks for i______ me to your birthday party. 4. Sanya is in Hainan Province in s______ China. 5. Maria won first prize in yesterday's singing c______ 6. It's going to rain. We should bring our ______ (雨伞). 7. Movie Palace has the most c______ (舒适)seats. 8. He bought some  ______ (礼物) for his friends when he went on the trip to the Yellow Mountains. 9. She ______  (观光) Asia when she was fourteen years old. 10. He ______ (借) some money from his mother and bought a book yesterday.
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【简答题】如图,直线AB与O相切于点B,过点O的直线交O于点C,D。在O上取一点E,连结BE和DE,BE与直径CD的交点为F。已知∠A=30°,AB= (1)求O的半径; (2)求∠E的度数; (3)求阴影部分的面积。(结果保留三个有效数字)
【简答题】质量为1kg的物体,在外力作用下由静止开始运动了3m,外力作功为18J,则物体的末速率为 m/s。
【简答题】According to interpersonal theory of depression, people might be mentally ill without enough______.
【单选题】如图 1 ,已知直线 AB 与 CD 相交于点 O , EO ⊥ CD ,垂足为点 O ,则图中 ∠ AOE 和 ∠ DOB 的关系是 ( )
A.
.同位角
B.
.对顶角
C.
.互为补角
D.
.互为余角
【多选题】下列哪些不是重症肌无力的临床特点:
A.
起病隐袭,首发症状多为眼外肌受累
B.
肌肉呈现病态疲劳,短暂用力收缩后肌力增强,持续用力后肌力又下降
C.
平滑肌和膀胱括约肌一般不受累
D.
肌无力符合单一神经、神经根或中枢神经系统病变的分布
【单选题】如图,直线 AB 与直线 CD 相交于点 O , MO ⊥ AB ,垂足为 O. 已知∠ AOD = 136 ° ,则∠ COM 的度数为
A.
36 °
B.
44 °
C.
46 °
D.
54 °
【单选题】When she was over fifty, the late nineteenth century mother ______.
A.
would be healthy enough to take up paid employment
B.
was usually expected to die fairly soon
C.
would expect to work until she died
D.
was unlikely to find a job even if she wanted one
【单选题】如图,直线AB与直线CD相交于点O,E是∠AOD内一点,已知OE⊥AB,∠BOD=45°,则∠COE的度数是 [     ]
A.
125°
B.
135°
C.
145°
D.
155°
【简答题】如图所示,质量为m=1kg的物体,放在倾角θ=37°的足够长固定斜面底端上,现对物体施加一个大小为F=16N、方向平行斜面向上的外力,使物体由静止开始在力F的作用下,从斜面底端向上运动t 1 =1s后撤去外力F。已知物体与斜面间的动摩擦因数μ=0.25,不计空气阻力,物体可视为质点,sin37°=0.6,cos37°=0.8,取g=10m/s 2 。求: (1) 物体由静止开始在力F的作用下开始向...
【单选题】如下图,直线AB与直线CD相交于点O,E是∠AOD内一点,已知OE⊥AB,∠BOD=45 °,则∠COE的度数是 [     ]
A.
125°
B.
135 °
C.
145 °
D.
155 °
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