一、单项选择 (15%) 1. Don’t _______ more work than you can do, or you will_______. A. take over; break in B. take on; break down C. take over; break off D. take on; break in 2. They didn’t fight, but stood there _______ one another. A. glaring at B. to glare at C. gazing at D. to gaze at 3. With his father ____, he had to drop out of school and helped his mother to support his family. A. passing by B. passed by C. passing away D. passed away 4. They gave _____ broadcast while the performance was in process ________ . A. live; on the stage B. alive; in the stage C. lively; on the stage D. living; in the stage 5. They were not prepared to ________ the olive branch to their enemies. A. hold out B. hold on C. hold back D. hold up 6. ---Do you mind if I keep pets in the building? ---_______. A. I’d rather you didn’t, actually B. Of course not, it’s not allowed here C. Great! I love pets D. No, you can’t 7. To be qualified for the job, ________. A. practical skills in electronics are needed B. it is required that one have practical skills in electronics C. one needs to acquire practical skills in electronics D. practical skills in electronics are important 8. ---I left my handbag on the train, but luckily someone gave it to the railway officials. ---How unbelievable to get it back! I mean, someone ________ it. A. will have stolen B. might have stolen C. must have stolen D. should have stolen 9. He was just about to leave when someone ________ his room. A. broke in B. breaks into C. burst into D. burst in 10. Tom, don’t ______ the poor little girl and _____ yourself. Did you forget the school rules? A. make a joke about; perform B. laugh at; conquer C. make fun of; behave D. play a joke about; believe 11. He is lucky enough to _________ much experience when teaching in the training center, which contributes to ______ by the primary school. A. achieve; employed B. have attained; employing C. have achieved; being employing D. have gained; being employed 12. The audience were ________ by his _______ performance on the stage. A. amused; amused B. amusing; amusing C. amusing; amused D. amused; amusing 13. Laughter makes your heart and lung _______, which is very good to your health. A. strongest B. strength C. strengthened D. strengthen 14. to nuclear radiation, even for a short time, may produce variants ( 变异体 ) of genes in human bodies. A. Being exposed B. Having exposed C. Exposed D. After being exposed 15. John couldn’t take part in the activity held at the cultural center yesterday for _____ reasons. Which of the following is wrong? A. a variety of B. all kinds of C. various D. series of