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【简答题】
In many English homes people eat four meals a day: breakfast, lunch, tea and dinner.People have breakfast at any time from seven to nine in the morning.They eat porridge,eggs or bread.English people drink tea or coffee at breakfast.Lunch comes at one o'clock.Afternoon tea is from four to five in the afternoon and dinner is about half past seven.First they have soups, and then they have meat or fish with vegetables.After that they eat some other things, like bananas,apples or oranges.But not all English people eat like that.Some of them have their dinner in the middle of the day.Their meals are breakfast, dinner, tea and supper and all these meals are very necessary. 小题1:Many English people have meals a day. A.two B.three C.four D.three or four 小题2:People may have for their breakfast. A.tea and eggs B.porridge,eggs,bread,tea or coffee C.tea and coffee D.bread and eggs 小题3:People have lunch at . A.any time B.nine C.five D.one 小题4:People don't have for their dinner. A.porridge B.bananas and apples C.some soup and meat D.meat and fish 小题5:In many English homes dinner comes . A.at one o'clock B.in the middle of the day C.at noon D.at night
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【多选题】苦杏仁、桃仁等均含苦杏仁苷,经水解后产生
A.
氢氰酸
B.
苯甲醛
C.
葡萄糖
D.
异硫氰酸
E.
脂肪酸
【简答题】已知某直线的坐标方位角为 220 °,则其反方位角为 。
【单选题】已知某直线的坐标方位角为 220° ,则其反方位角为( )。
A.
220°
B.
南西 50°
C.
南西 40°
D.
40°
【单选题】如图所示,圆锥摆的摆球质量为 m ,速率为 v ,圆半径为 R ,当摆球在轨道上运动半周时,摆球所受重力冲量的大小为
A.
2 mv
B.
2 m g /v
C.
πR mg / v
D.
0
【单选题】Shift键是用来进行大小写及其他多字符键转换的,右手的字符键用 按Shift键。
A.
左手
B.
右手
C.
左右手都行
D.
左右一起
【单选题】已知某直线的坐标方位角为220°,则其反方位角为()。
A.
220°
B.
40°
C.
南西 50°
D.
南西 40°
【多选题】苦杏仁、桃仁等均含苦杏仁苷,经水解后产生()
A.
氢氧酸
B.
苯甲醛
C.
葡萄糖
D.
异硫氯酸
E.
脂防油
【单选题】如图所示,圆锥摆的摆球质量为m,速率为v,圆半径为R.当摆球在轨道上运行半周时,摆球所受重力冲量的大小为
A.
2mv
B.
[(2mv) 2 +(mgπR/v) 2 ] 1/2
C.
mgπR/v
D.
0
【单选题】Shift 键是用来的进行大小写及其他多字符键转换的,右手的字符键用( )按 Shift键。
A.
左手
B.
右手
C.
左右手都行
D.
左右一起
【单选题】Which of the following statements is NOT true according to the passage?
A.
It’s possible to plant micro-chips in human bodies.
B.
Human beings will do less household work because of robots.
C.
No one is completely sure what technology will do for us in the future.
D.
Robots with human brains will surely be created by 2020.
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