In the past 50 years, there ______ a great increase in the amount of research on the human
A. was.., did
B. has been.., to be done
C. was.., doing
D. has, been.., done
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A, B, and C are points on a line. The distance between A and B is twice the distance between A and C. The distance between C and B is 10.
Column A Column B
The distance between A and B 10
A. if the quantity in Column A is greater
B. if the quantity in Column B is greater
C. if the two quantity are equal
D. if the relationship cannot be determined from the information given
证券公司应当于每个交易日15:00前向交易所报送当日每个标的证券的买入额。 ()
A. 正确
B. 错误
How is the powdered milk made according to the passage？
A. By passing through a grinding machine.
B. In the same way as vegetables and fish.
C. With the help of the small and coarse flakes.
D. Through pouring it over a heated horizontal cylinder.
A．whatB．thatC．whichD．who
A. what
B. that
C. which
D. who
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