1. ______ in a recent science competition, the three students were awarded scholarships totaling $21, 000.
A。 Judged the best B。 Judging the best
C. To be judged the best D. Having judged the best
2。 Without proper lessons, you could ______ a lot of bad habits when playing the piano。
A. keep up B. pick up C. draw up D. catch up
3。 Everything we eat and drink contains some salt; we can meet the body's need for it from natural sources without turning _________ the salt bottle。
A. up B. to C. on D. over
4. He always did well at school ______ having to do part-time jobs every now and then.
A. in spite of B. regardless of C. on account of D. in case of
5。 ______ receiving financial support from family, community or the government is allowed, it is never admired。
A。 As B。 Once C。 Although D。 Lest