1 While Newton was studying ways to improve the telescope, he made ________ discovery which completely changed ________ man's understanding of color.
A. a; 不填 B. a; the C. 不填; the D. the; a
2.Tom had got more points than anyone else, so he _____and _____.
A was delighted; pride B is delighted; proud
C was delighted; proud D was delighted; pride
3.Neither of Mary and Mike thought well of John，but they both tried to _____ him in his work.
A.praise B. support C. assist D. encourage
4.From then on, university students could earn enough money ______ part time job to support themselves.
A. by all means B. by any means C.by means of D. by no means
5. _______ the loud noise going on in the workshop, I can hardly __________ on my lessons.
A. As; put B. As; concentrate C. With; rely D. With; concentrate
