1.选择题- (共3题)
1.如图甲所示,在平静的水面下有一个点光源s,它发出的是两种不同颜色的a光和b光,在水面上形成了一个被照亮的圆形区域,该区域的中间为由ab两种单色光所构成的复色光的圆形区域,周边为环状区域,且为a光的颜色(见图乙)。则以下说法中正确的是

2.如图甲所示,在平静的水面下有一个点光源s,它发出的是两种不同颜色的a光和b光,在水面上形成了一个被照亮的圆形区域,该区域的中间为由ab两种单色光所构成的复色光的圆形区域,周边为环状区域,且为a光的颜色(见图乙)。则以下说法中正确的是

2.单项选择- (共8题)
4.
The local government are offering a _________of 10000 dollars for any information helping find the murder of the couple.
A.award | B.reward | C.wage | D.prize |
5.
We won’t forget the financial crisis and the troubles _______ has caused to the people all over the world.
A.which | B.this | C.what | D.it |
6.
The money collected should be made good use ______ the people who suffered a lot in the earthquake.
A.of helping | B.of to help |
C.to help | D.to helping |
7.
________ himself in the newspaper, he didn’t notice what was happening.
A.Having buried | B.Buried |
C.Burying | D.To be buried |
8.
Henry escaped ________ by admitting his mistake as soon as he saw the headmaster.
A.to be punished | B.punishing | C.having punished | D.being punished |
9.
After ten years abroad, he still recognized his old colleagues ________ he set foot in China.
A.immediately | B.for the first time |
C.while | D.moment |
10.
Thanks for your kind help! We would have _________ lost the game!
A.otherwise | B.or | C.then | D.therefore |
试卷分析
-
【1】题量占比
选择题:(3道)
单项选择:(8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:8
7星难题:0
8星难题:0
9星难题:0