下列对铅中毒疗效最好的是()
A.二巯丙醇
B.二巯丁二钠
C.依地酸钙钠
D.亚甲蓝
E.硫代硫酸钠
参考答案:C
The way ______ he did it was different from _______ we were used to.
A.which; what
B./; what
C.in that; what
D.that; that
从学校到电影院,甲用8分钟,乙用9分钟,甲和乙每分钟的路程的比是8:9.______.(判断对错)