第1题: [单项选择]You see another vessel approaching，and its compass bearing does not significantly change.This would indicate that（）. A. You are the stand-on vessel B. Risk of collision exists C. A special circumstances situation exists D. The other vessel is dead in the water 参考答案:B
第22题: [单项选择]More than one government official ______ involved in the case. A. were B. was C. being D. be 参考答案:B 答案解析:[解析] 考点：主谓一致。“many a/more than one+名词”作主语时，虽然表示多数，但谓语用单数。
[例句] More than one student is from the ci
第28题: [单项选择]关于正态曲线，下列说法错误的是( )。 A. μ=0且σ=1的正态分布称为标准正态分布 B. P(U≤1.52)表示随机变量U取值不超过1.52的概率 C. P(U≤1.52)在数量上恰好为1.52左侧的一块阴影面积 D. P(U≤1.52)＞P(U＜1.52) 参考答案:D 答案解析:[解析] P(U≤1.52)表示随机变量U不超过1.52的概率，在数量上，它恰好为1.52左侧的一块阴影面积，由于直线是没有面积的，即直线的面积为0，所以P(U≤1.52)=P(U＜1.52)。
