His parents, very poor but______people who never broke the law, were shocked when he was arrested for robbing a bank.
A. serious
B. obedient
C. respectable
D. responsible
浮动覆盖主要形式有()、()、()等三种。浮动覆盖常用的覆盖材料主要有()、()等。采用浮动覆盖可使温度提高()。
If someone is dying of cancer and begging to be put out of his or her misery, and someone
A. nevertheless
B. otherwise
C. or else
D. rather than
病人家中有多种药,选哪种药冲洗伤口最佳
A. 等渗盐水
B. 高锰酸钾液
C. 红汞液
D. 甲紫液
E. 碘酊