伴随生成()的磺化主反应,同时还在进行着生成副产物的副反应。
A.磺酸
B.砜
C.焦磺酸
D.磺酸酐
参考答案:A
The scientist was rewarded by the government for _____ such a great contribution to the country.[ ]
A. make
B. making
C being made
D. having made
急性呼吸窘迫综合征的临床表现中不包括()
A.氧分压降低
B.进行性呼吸困难
C.进行性发绀
D.呼吸节律不整
E.肺底可闻湿啰音