【判断题】DNA修复合成时首先合成的DNA短片段称为冈崎片段。
【单选题】ysts and political leaders won't show concern for______.
A.
the global balance of power
B.
the health of the planet
C.
the poverty in the world
D.
the competition for resources
【简答题】短文改错 I had a interesting dream last night. I dreamed that I took part in a race. At first, I could not to run very fast and fell behind. So I didn't lose heart and kept running. All the students on th...
【单选题】女性,67岁,因结肠癌收入院,判断其有营养不良的依据是
【判断题】正在施工的某建筑工程,主体已经完工,准备迎接验收。项目负责人徐某安排工人当晚加班清扫6层楼面,临时指派无证人员李某使用物料提升机运送废料。当晚20时左右,李某操作卷扬机时突然发现吊篮在下降过程中卡在6层与5层之间,于是又操纵提升物料提升机,吊篮还是不能动。木工班班长黄某和机修工王某听到召唤后随即带着橇杠由6层运料平台爬到卷扬提升机吊篮上查看,发现吊篮南侧已滑出轨道。于是2人用橇杠将吊篮拨回轨道,随...
【简答题】从古典经济学到现代西方国际分工和国际贸易理论,大体经历了四个阶段。其第一阶段是亚当-斯密的____。
【单选题】在创客类比赛的评审过程中,评委认为哪个方面是相对最重要的()