24. he was the last man I wanted to see. I did all that I could to help him.
A.As B.Now that C.While D.As though
23.Although Tom did not actually get the best scores on every single test, his high scores on the psychological tests finally won him his position as the best pilot.
A.it is; which B.it was; that C.it has been; that D.it was; where
22.Maria, do tell us a little about the Venice Film Festival, ?
A.will you B.can you C.don’t you D.would you
Students are encouraged to develop the 18. .
They are discouraged from taking some unnecessary thins to school.
Students should pay attention to the 19. of school bags and the way to carry.
It is important to get the 20. of the parents.
Timetable should be designed.
PART TWO LANGUAGE KNOWLEDGE(45 points)
SECTION A(15 points)
Directions: Beneath each of the following sentences there are 4 choices marked A,B,C and D.Choose the one answer that best completes the sentence.
Example:
The wild flowers looked like a soft orange blanket the desert.
A.covering B.covered C.cover D.to cover
The answer is A.
21.A number of people have posted their own videos on the website You Tube, their attempts to become “musicians”.
A.to show B.showing C.showed D.show
Officials of the department are worried about overweight schoolbags and 17. effects.
To call for action to 16. of school bags.
21.如图所示,在坐标系O-XY平面内的O点,有速率相同、方向各异、质量为m、电量为-q的粒子。匀强磁场的磁感应强度为B,方向垂直纸面向里。坐标系中点P的坐标为P(x,y)。不计粒子的重力,不考虑粒子之间的相互作用。下列判断正确的是( )
A.从O点出发的粒子中,可能有一个出发方向的粒子会过点P(x,y)
B.从O点出发的粒子中,可能有两个出发方向的粒子会过点P(x,y)
C.如果知道过P点粒子的出发方向与OP之间的夹角,则可求得粒子的运行速度
D.如果知道过P点粒子的出发方向与OX轴之间的夹角,则可求得粒子的运行速度
第Ⅱ卷(非选择题,共174)
20.极地卫星(轨道平面经过地球的南北两极)圆轨道的半径为r,周期为2h。赤道卫星9轨道平面为赤道平面)圆轨道半径为4r。则两卫星从距离最近到下一次最近的时间为 ( )
A. B.14h C.16h D.30h
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