1.选择题- (共16题)
8.| {#mathml#}{#/mathml#} |=1,| {#mathml#}{#/mathml#} |= {#mathml#}{#/mathml#} , {#mathml#}{#/mathml#} • {#mathml#}{#/mathml#} =0,点C在∠AOB内,且∠AOC=30°,设 {#mathml#}{#/mathml#} =m {#mathml#}{#/mathml#} +n {#mathml#}{#/mathml#} (m、n∈R),则 {#mathml#}{#/mathml#} 等于( )
9.| {#mathml#}{#/mathml#} |=1,| {#mathml#}{#/mathml#} |= {#mathml#}{#/mathml#} , {#mathml#}{#/mathml#} • {#mathml#}{#/mathml#} =0,点C在∠AOB内,且∠AOC=30°,设 {#mathml#}{#/mathml#} =m {#mathml#}{#/mathml#} +n {#mathml#}{#/mathml#} (m、n∈R),则 {#mathml#}{#/mathml#} 等于( )
10.| {#mathml#}{#/mathml#} |=1,| {#mathml#}{#/mathml#} |= {#mathml#}{#/mathml#} , {#mathml#}{#/mathml#} • {#mathml#}{#/mathml#} =0,点C在∠AOB内,且∠AOC=30°,设 {#mathml#}{#/mathml#} =m {#mathml#}{#/mathml#} +n {#mathml#}{#/mathml#} (m、n∈R),则 {#mathml#}{#/mathml#} 等于( )
2.单项选择- (共11题)
20.
He promised to come but he didn’t _______until the meeting came to an end, which made me angry.
A.turn in | B.turn down | C.turn up | D.turn away |
21.
Preparing the final test paper _______ his whole afternoon.
A.takes up | B.takes off | C.takes on | D.takes over |
23.
My father used _______in front of his house and he got used to _______like that.
A.to sit; doing | B.to sitting; do | C.to sit; do | D.to sitting; doing |
24.
________ his being late again,he lost his job and had to stay at home.
A.Owe to | B.As result of | C.In case of | D.Because of |
25.
Mr. White, with his family, _______Taiwan by plane which_______ at 8:30 next morning according to the timetable.
A.is leaving for; leaves | B.is leaving for; will leave |
C.are leaving for; leaves | D.will leave for; will leave |
试卷分析
-
【1】题量占比
选择题:(16道)
单项选择:(11道)
-
【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:9
7星难题:0
8星难题:1
9星难题:1