【单选题】现代OS具有并发性和共享性,是由什么的引入而导致的
【判断题】软件测试的目的是尽可能多地发现软件中存在的( [填空(1)] 。A. 错误
【单选题】He tried to ______ his involvement in this scheme, but he finally gave in and confessed.
【判断题】现代OS具有并发性和共享性,是由什么的引入而导致的
【单选题】In the story told by Dave Barber, ______.
A.
he was finally saved by his grandmother
B.
he was finally saved by his nine-year-old son
C.
he would have been drowned if his grandmother had not lifted him
D.
he would have been taken away by his grandmother if his son had not dragged him down
【单选题】下列有关基因的叙述,错误的是 [ ]
A.
原核生物的基因和真核生物的基因化学本质不同,结构不同
D.
基因工程中用人工合成法获得的真核生物的目的基因无内含子
【单选题】人们常用泡菜坛(图1)腌制泡菜。腌制过程中,由于乳酸菌的发酵作用产生乳酸,使泡菜具有酸性风味;有些杂菌却会导致泡菜亚硝酸盐增加,对人体可能有不利影响。酸性环境有利于抑制杂菌繁殖、分解亚硝酸盐。研究小组对泡菜中乳酸菌和亚硝酸盐进行检测,结果如图2。下列叙述,正确的是
【单选题】He tried to ______ his involvement in this scheme, but he finally gave in and confessed.
【单选题】下列教学方法中最适合感情与行为领域教学的是