一的人如果根据自己的爱好和兴趣确定努力方向,我们的主动性就会得到充分发挥。[ ]
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“I took part in the TOEFL. It was really hard.” “Did you ______ a lot?”
A.Have you studied
B.Did you study
C.Had you studied
D.Do you study
FoxPro启动后,在命令窗口中,执行命令文件MAIN.PRG使用的命令是( )。
A.!MAIN
B.DO MAIN
C.MAIN
D.RUN MAIN,