气象数据属于专业感知领域,其自身价值已被挖掘殆尽。
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Thousands of products ____ from coal are now in daily use.
A. made
B. make
C. making
D. to make
During this battle some soldiers were wounded , and some _____
A. miss
B. missed
C. missing
D. to miss
Weather ____ , we will have a picnic tomorrow.
A. permit
B. permits
C. permitted
D. permitting
The vacation ____ over , the students came back to school.
A. is
B. are
C. was
D. being