机动车在高速公路上发生故障时错误的做法是什么?
A.开启危险报警闪光灯
B.按规定设置警告标志
C.车上人员不能下车
D.迅速报警
参考答案:C
如果科学家通过转基因工程,成功地把一位女性血友病患者的造血细胞进行改造,使其凝血功能恢复正常,那么,后来她所生的儿子中[ ]
A.全部正常
B.一半正常
C.全部有病
D.不能确定
---The cookies are so delicious and crisp.
---Well, at least it is ________ the one I baked last week.
A.as bad as
B.no better than
C.no worse than
D.not better than