______the students think it their duty to study hard has laid the foundation for the university's high reputation.
A. That all
B. What
C. All that
D. What all
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______ theories approximate the truth is the day-to-day business of science.
A. Determining how closely
B. How closely to deternmine
C. How one determines close
D. One is close to determining
The problem now is______ we can adopt to overcome the difficulties in shortage of funds.
A. what measure
B. that measure
C. measure that
D. measure which
______that snow men were often spotted on the mountainside above 7000 meters by the local inhabitants.
A. It was used to be saying
B. It used to be said
C. It used to say
D. It was used to saying
要创建一个新目录,可以用下面( )类实现
A. Fille
B. FileOutputStream
C. PrintStream
D. FilleInpuStream