番茄青枯病属于（）性病害。
A.细菌
B.病毒
C.真菌
D.生理
参考答案：A
计算机中，微型计算机又称（）。
A、巨型计算机
B、大型计算机
C、个人计算机
D、小型计算机
An analyst does research about liquidity. Liquidity in financial markets is best described as the ability to purchase or sell an asset:（）
A. at a low transaction cost.
B. quickly at a known price.
C. quickly and easily at a price close to fair market value.
