题目

Now she has ______ 3 pounds. She should avoid ______ too much.A. put off; eats B. put up; ate C. put out; eat D. put on; eating 答案：【答案】D【解析】句意：现在她长了3磅，她应该避免吃太多。根据put off推迟， put up 举起，张贴，put out 伸出，put on穿上，增加；avoid doing sth避免做某事；故选D在地面上看，通信用的地球同步卫星是静止不动的，它运行一周所用的时间是（　　）A．24hB．12hC．8hD．6h