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【单选题】
听力原文:W: The Tan Film Festival is coming to Bellville next month. I can't believe it! M: Does that mean that all the big stars will make their appearance here? W: That's exactly what it means. I am so excited. I'm going to put in my request for a holiday during that time and see every movie they're going to show. I'm also going to get the signatures of every star I know. Would you like to join me? M: I wish I could, but I won't be here next month. The company is sending me to our head office in London for the annual managerial training for a week. When is the film festival scheduled to start?
A.
This week.
B.
Next week.
C.
Next month.
D.
In two months.
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【单选题】在 Br-CH=CH-Br 中 ,C-Br 共价键的形成使用的轨道是
A.
s, p
B.
sp, p
C.
sp 2 , p
D.
sp 2 , s
【多选题】LTE时代,实现语音业务的方案有
A.
CSFB
B.
eRelay
C.
VoLTE
D.
SvLTE
【简答题】如图所示,质量为M的小车静止在光滑水平地面上,一质量为m的物块以水平速度口。滑上小车的左端,在小车上滑行了一段距离后,两者以相同的速度一起运动.若物块和小车之问的动摩擦因数为μ,为g.求: (1)物块和小车的共同速度; (2)从物块滑上小车到两者达到共同速度时,小车运动的距离.
【单选题】如图4-62所示质量为m的三角形物块,其倾斜角为θ,可在光滑的水平地面上运动。质量为m的矩形物块又沿斜面运动。两块间也是光滑的。该系统的动力学特征(动量、动量矩、机械能)有守恒情形的数量为( )。
A.
0个
B.
1个
C.
2个
D.
3个
【单选题】在Br-CH=CH-Br分子中,C-Br键的轨道重叠方式是
A.
sp - p
B.
sp 2 - s
C.
s p 2 - p
D.
s p 3 - p
【单选题】5 When and where to go _____
A.
have not decided
B.
have not been decided
C.
has not decided
D.
has not been decided
【单选题】患者,女性,35岁。自述在机关工作,因经常加班、出差和应酬,家人对其不能理解。该患者的资料内容属于
A.
患者的一般情况
B.
患者的生活状况
C.
患者的心理状况
D.
患者的社会情况
E.
患者的自理状况
【单选题】下列化合物在水中的溶解度最小的是(    )。
A.
CH 3 CH 2 CH 2 CH 2 Br    
B.
C 2 H 2 OC 2 H 5
C.
CH 3 CH 2 OH
D.
CH 3 (CH 2 ) 2 CH 2 OH    
E.
CH 3 (CH 2 ) 3 CH 2 OH
【单选题】如图1-1所示,质量为M的物体悬挂在细绳上,细绳跨过定滑轮,另一端系一质量为m的物体,m在水平地面上的位置1处保持静止,把m移至2处,仍保持静止,则在两个位置上( )
A.
m所受的绳的拉力改变,地面的摩擦力不变
B.
m所受的绳的拉力不变,地面的摩擦力减小
C.
m所受的绳的拉力改变,地面的摩擦力减小
D.
m所受的绳的拉力不变,地面的支持力不变
【单选题】在 Br-CH = CH-Br 分子中, C-Br 间键合所用的轨道是
A.
s-p
B.
sp-p
C.
sp 2 -s
D.
sp 2 -p
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