设a="Microsoft Visual Basic"，则以下使变量b的值为Visual Basic的语句是 A: b=LeR(a,10) B: b=Mid(a，10) C: b=Right(a,10) D: b=Mid(a，11，10)

关系式 5≤y<10 写成 Visual Basic 表达式，正确的写法是 。

下列Visual Basic表达式中，错误的是（ ）。 A: Not(a&lt;10 Or a&gt;20) B: a&gt;10 And a&lt;20 C: a&lt;10 Or x&gt;20 D: 10&lt;a&lt;20

翻译下列短语： basic information/basic facts/ the basic principles of law

Economics ______ among the college students. A: is one of the basic courses B: is the basic courses C: are the basic courses D: are one of the basic courses

The basic units of DNA are ____. The basic units of RNA are ____.

What is the woman studying A: The basic structure of atoms. B: The basic structure of molecules. C: The basic structure of neutron.

下列Visual Basic程序段运行后，变量max的值为（）。 a=5：b=10：max=a IF b>max Then max=b A: 5 B: 10 C: 5和10 D: 以上都不是

The Nova computer has two models, the Basic and the Basic Plus.

执行以下程序段后，变量c的值为( )。 a="Visual Basic Programing" b="|Quick" c=b&Ucase(Mid(a,7,6))&Right(a,11) A．Visual BASIC Programing B．Quick Basic Programing C．QUICK Basic Programing D．Quick BASIC Programing