【单选题】When do we use the present simple?
A.
to describe the present truth
B.
repeated actions and habits
C.
something that is always true
【单选题】当进行斜截面抗剪验算时,发现构件截面尺寸不满足要求,应当如何?
【多选题】when we report results in a research paper, what tenses shall we usually use
【单选题】Why does Professor Greely say that when we can clone a human is not a simple question?
A.
Because the technology is evil.
B.
Because the technology is fictional.
C.
Because it is still too early to use the technology.
D.
Because many scientists have failed in using the technology.
【单选题】对预应力混凝土结构的混凝土要求不正确的是
【单选题】在咬肌前缘与下颌骨下缘交界处可触及何动脉搏动
【判断题】土地资源学研究的内容有:土地资源学的基础理论研究、土地类型和土地资源类型、土地资源调查与评价、土地生产潜力与土地人口承载力、区域土地资源的开发利用研究、土地资源的保护与管理。