Some ancient people were able to tell the time by the shadow（）by the sun on the slate.
A. thrown
B. flung
C. cast
D. tossed
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5（）
A. His sixth sense told him.
B. He is unskillful with his present job.
C. His present job pays too little.
D. His present job is too demanding.
These figures boil down to no significance as they are statistically imperfect. （）
A. amount to
B. conform to
C. contribute to
D. attach to
Mini-talk One 10 （）
A. Because other scientists had raised questions about these claims.
Because some of its scientists had made false claims before.
C. Because the claims were very important to the study of physics.
D. Because some of its scientists published too many papers in a year.
Mini-talk One 11（）
A. He made up false data in the experiment to support his new findings.
B. He used information from previous work to support his new findings.
C. He denied other scientists’ involvement in his experiments.
D. He was not productive in writing scientific papers.
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