In preparing scientific reports of laboratory experiments, a student should ________ his findings in logical order and clear language.
A. furnish
B. propose
C. raise
D. present
设x=“123”，Y=“1234”，则下列表达式中值为.T.的是（）。
What is the main idea of the passage？
A. It is unwise to place the results of scientific research in the hands of a powerful mad man.
B. The more knowledge one has, the wiser one becomes.
C. Any increase of knowledge could lead to disastrous results without the guidance of wisdom.
D. Wisdom increases in proportion to one’s age.
在Visual FoxPro中，下列变量中需要事先定义的是（）。
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