[单项选择]The police found that George had still another ______ of income.
A. origin
B. source
C. basis
D. means

[单项选择]The police found that George had still another ______ of income.
A. origin
B. source
C. basis
D. means

[单项选择]When he came back, George found Janet had already stayed

[单项选择]______ still young, Mr. George has had amazing achievement in cosmology.
A. When
B. As
C. Although
D. Since

[单项选择]_________ still young, Mr. George has had amazing achievement in cosmology.
A. When
B. As
C. Although
D. Since

[单项选择]Ten years had elapsed (时间过去；消逝). I found she had ______.


A. a little white hair
B. some white hair
C. a few white hairs
D. a few white hair

[单项选择]Weeks later he had still not found a job and began to feel ______.
A. displeased
B. sorry
C. discouraged
D. displaced

[单项选择]We still had great fun while watching some good-looking birds ______"wild strangers".

[单项选择]（）the college, the students found they had many things to adjust to.
A. Entering
B. To enter
C. Entered
D. Having entered

[单项选择]

Passage Three
The war had begun, and George had joined the air force. He wanted to be a pilot and after some months he managed to get to the air force training school, where they taught pilots to fly’.
There, the first thing that new students had to do was to be taken up in a plane by an experienced pi lot, to give them some ideas what it felt like. Even those who had traveled as passengers in commercial (商业的 ) airline planes before found it strange to be in the cockpit (驾驶舱)of a small fighter plane, and most of the students felt nervous.
The officer who had to take the students up for their first flight allowed them to fly the plane for a few seconds if’ they wanted to and if they were not too frightened to try, but be was always ready to take over as soon as the plane started to do dangerous things.
George was one of those who took over the controls of the plane when he went up in it for the first time, and after the officer ha
A. to fight the war
B. to fly
C. to be pilot
D. to be a passenger