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问题 填空题

依据茎内部的结构，木质部发达的植物叫做___________，有高大的乔木和灌木；木质化细胞较少的植物叫做___________，如小麦、玉米、狗尾草等。

答案

木本植物  草本植物

单项选择题

在Visual FoxPro系统中，查询文件是指一个包含一条SELECT-SQL命令的程序文件，文件的扩展名为______。

A．.MPR

B．.RPR

C．.SCX

D．.PRG
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单项选择题

An agricultural cooperative wants to sell more of its less popular vegetables, zucchini in particular. A consultant has suggested that the cooperative’s farmers should attempt to market a purple form of zucchini instead of the conventional green form, because people generally dislike green-colored vegetables.
Which of the following, if true, casts the most doubt on the accuracy of the consultant’s assertion ？（）

A. Broccoli and green peas, which are both green vegetables, are among the most popular vegetables in the country.

B. Grapes and eggplants, which both have purple skin, are popular among consumers of all ages.

C. Summer squash, a yellow-colored cousin of the zucchini, is one of the most popular summer vegetables.

D. Green tomatoes are far less popular than red tomatoes.

E. A chewing gum company reports that its purple-colored grape gum is less popular than its green-colored sour apple flavor.
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