题目内容

We recently had to.

A. be ton the wrong horse
B. be flat broke
C. work for peanuts
D. tighten our belt

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Weon the stock market.

A. made a quick buck
B. went broke
C. tightened our belt
D. worked for peanuts

Match each item with its equivalent description.()1. Internet()2. E-mail()3. Cable-TV()4. Cell Phone()5. Radio

在固定床反应器中反应热由催化剂内部向流体主体传递( )

A. 对
B. 错

遗嘱人在危急情况下,可以立口头遗嘱。口头遗嘱应当有两个以上见证人在场见证。危急情况解除后,遗嘱人能够用书面或者录音录像形式立遗嘱的,所立的口头遗嘱( )

A. 无效
B. 继续有效
C. 部分有效
D. 由遗嘱人自己决定是否有效

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