[单项选择]A student had an average of 86 for three tests. If the student's highest test score was 2a, what was the average of the student's two lowest scores
A. 129-2a
B. 258-2a
C. 129-a
D. 258+2a
E. (E) 258-a

[单项选择]I had been a university student for three years, but not until this afternoon had I felt the thrill of ______.
A. confusion
B. disappointment
C. sensation
D. fulfillment

[单项选择]As a poor fresh student, he had to do a part-time job ______money.
A. owing to
B. because of
C. on account of
D. for the sake of

[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 take an experienced pilot in a plane
B. to be taken up into the air in a plane by an officer
C. to fly a commercial plane
D. to talk about his ideas