什么是强类型系统?
参考答案:
RTTI:类型识别系统。
情景选择。
1. 当你想知道对方有什么事情时,会说:——[ ]
A. What are you?
B. What's the matter?
C. What things?
2. 当别人夸奖你功课好时,你应说:——[ ]
A. No, not good.
B. I'll try.
C. Thank you.
3. 想问对方这是谁的,表达正确的是:——[ ]
A. Whose is this?
B. Who is this?
C. Who are you?
4.“今天天气暖和”的正确表达是:——[ ]
A. It's warm today.
B. This is warm.
C. Today warm.
5.“脱下你的夹克衫”的正确表达是:——[ ]
A. Put on your jacket.
B. Take off your jacket.
C. Take off it.
转Kl型转向架是指装用4个轴箱一系()橡胶剪切垫和侧架中交叉支撑装置的三大件货车提速转向架,最高运行速度为120km/h。
A、十字形
B、人字形
C、八字形
D、X字形