与国际直接投资相比,国际证券投资的特点是()。
A.流动性大
B.风险性小
C.具有自发性
D.具有频繁性
参考答案:A, B, C, D
—Were there any banana trees in your hometown (家乡).
—________. [ ]
A. No, there weren't
B. Yes, there weren't
C. No, there were
D. Yes, there was
被困在电梯中应采取()行动是正确的?
A.将门扒开脱险。
B.从电梯顶部脱险。
C.电话求救或高声呼喊。