[在线考核] I am a student. ( )name is Tom. 日期:2022-05-26 12:24:42 点击:109 好评:0
4. I am a student. ( )name is Tom. A. Me B. My C. I D. Myself ...
[在线考核] At that time they were poor, and they went ( )a difficu 日期:2022-05-26 12:23:47 点击:53 好评:0
21. At that time they were poor, and they went ( )a difficult time. A. in for B. along with C. down D. through ...
[在线考核] All things ( ), the planned trip will bave to be called 日期:2022-05-26 12:22:55 点击:200 好评:0
16. All things ( ), the planned trip will bave to be called off. A. considered B. be considered C. considering D. having considered ...
[在线考核] Even on Sundays, fewer people go to( )church than befor 日期:2022-05-26 12:22:03 点击:169 好评:0
9. Even on Sundays, fewer people go to( )church than before. . A. the B. a C. / D. an ...
[在线考核] Is this ( )apple tree? No, ( )tree is( )orang 日期:2022-05-26 12:21:10 点击:97 好评:0
3. Is this ( )apple tree? No, ( )tree is( )orange tree. A. an,a, the B. a, the, an C. an, the, an D. the, the, an ...
[在线考核] 在一艘匀速向北行驶的轮船甲板上,一运动员做立定跳远,若向各个 日期:2022-05-26 12:20:19 点击:98 好评:0
8. 在一艘匀速向北行驶的轮船甲板上,一运动员做立定跳远,若向各个方向都用相同的力,则 ( ) A. 向北跳最远 B. 向南跳最远 C. 向东向西跳一样远,但没有向南跳远 D. 无论向哪个方向都一样远 ...
[在线考核] 按照麦克斯韦分子速率分布定律,具有最可几速率(最概然速率)vp 日期:2022-05-26 12:19:18 点击:111 好评:0
3. 按照麦克斯韦分子速率分布定律,具有最可几速率(最概然速率)vp的分子,其动能为[ ] A. 1/2kT B. 3/2kT C. kT D. 3/2RT ...
[在线考核] 1 kg某种理想气体,分子平动动能总和是1.86×106 J,已知每个分 日期:2022-05-26 12:17:49 点击:167 好评:0
9. 1 kg某种理想气体,分子平动动能总和是1.86×106 J,已知每个分子的质量是3.34×1027 kg,气体的温度()。(玻尔兹曼常量 k=1.38×1023 J•K1) A. 200 K B. 250 K C. 300 K D. 350 K ...
[在线考核] 某人用力推原来静止在水平面上的小车,使小车开始运动,此后改用 日期:2022-05-26 12:16:52 点击:168 好评:0
9. 某人用力推原来静止在水平面上的小车,使小车开始运动,此后改用较小的力就可以维持小车做匀速直线运动,可见( ) A. 力是使物体产生运动的原因 B. 力是维持物体运动速度的原因 C. 力是使物体速度发生改变的原因 D. 力是使物体惯性改变的原因 ...
[在线考核] 一质点的运动方程为:r=(6t^2-1)i+(3t^2+3t+1)j ,此质点 日期:2022-05-26 12:15:55 点击:55 好评:0
10. 一质点的运动方程为:r=(6t^2-1)i+(3t^2+3t+1)j ,此质点的运动为[ ] A. 变速运动,质点所受合力是恒力 B. 匀变速运动,质点所受合力是变力 C. 匀速运动,质点所受合力是恒力 D. 匀变速运动,质点所受合力是恒力 ...