【单选题】Which of the following can be the advantage of enhancement evolution?
A.
Bringing in delicate changes to genes.
B.
Replacing natural selection.
C.
Changing human species entirely.
D.
Enhancing human immunity.
【单选题】We can infer from the fourth paragraph that______.
A.
enhancement evolution is technically impossible
B.
parents have the final say on children's genome change
C.
parents and children usually have different designs for the future
D.
enhancement evolution may cause moral problems
【单选题】一次的大选被人们习惯性地称为“驴象之争”。在联邦制下,关于联邦和州的权力,说法正确的是()
【单选题】《水浒传》第十六回“杨志押送金银担 吴用智取生辰纲”中,共 ______ 人一起去智取杨志押送的生辰纲。
【单选题】印度西南部的喀拉拉邦有一狭长平缓地带,位于阿拉伯海和西高止山之间。每年雨季时,海水都会漫过低矮的海堤向河流倾泻而来,而后又会出现短暂河水漫堤的“灌海”现象,从而形成海水和河湖水交汇的地理奇观—“回水”。这片海水与河水的交汇区称为回水区。每年“回水”期间,大批游客会前来坐船观赏。下图中左图为喀拉拉邦局部水系分布图,右图为喀拉拉邦气候统计图。读图完成下面3小题。 23. 喀拉拉邦回水区两岸的自然植被主...