【单选题】Tom is the_______ of the three.
【单选题】A rain is expected for this evening, no wonder you see the ants moving about on the ground.
C.
今晚肯定有暴雨,否则地面上会看到有许多蚂蚁。
【单选题】中国学术界认为夏人的活动范围是今天的:()
【单选题】What is the common view on multitasking?
A.
It enables people to work more efficiently.
B.
It is in a way quite similar to switch-tasking.
C.
It makes people's work and life even harder.
D.
It distracts people's attention from useful work.
【单选题】(Section A conversation 2) 9.
A.
Space flights were stopped for two years.
B.
The space program wasn't the same.
C.
The space program was reduced.
【单选题】For a binary tree, which one of the following is incorrect statement? ( )
A.
It can implemented using pointers.
B.
It is linear data structure
C.
It is nonlinear data structure
D.
each node has maximum two branches
【判断题】民法的基本原则自古以来一成不变的,同时各国民法的基本原则也是一致的。
【单选题】(Long conversation 1) 9.
【单选题】目前电子行业使用的焊料中,锡和铅含量百分比通常分别是()