答案:B
“若能寻余所集,思过半矣”中“思过半”意思是()
A.发现很多
B.思考很多
C.收益很多
D.很多
E.疑虑很多
—______ this?
—______ a computer. [ ]
A. What's, This
B. What's, It's
C. What, It
D. What, This is