选择题：It is ____________ for overseas to keep their mone

题目内容：

It is ____________ for overseas to keep their money and documents safe. A difficult
B precarious
C possible
D perilous

参考答案：

Had the car gone over the cliff, they would have b

Had the car gone over the cliff, they would have been killed.

价格歧视分为A 一级价格歧视B 二级价格歧视C 五级价格歧视D 三级价格歧视

香农公式表明：信道的带宽或信道中的信噪比越大，则信息的极限传输速率就： A 越高B 越低C 可能低，也可能高D 先高后低

以太网10BASE－T代表的含义是_______。A 10Mb/s基带传输的粗缆以太网B 10Mb/s基带传输的双绞线以太网C 10Mb/s基带传输的细缆以太网

James’ mother ____________.A was educatedB was conservativeC was poorD A and B