小明今天做了42道口算题，小华做的口算题是小明的2倍，他们共做了多少道口算题？
42×2+42
=84+42，
=126（道），
答：他们共做了126道题．
Lily ____ likes documeniaries. [ ]
A. also
B. too
C. either
D. doesn't
皮质醇增多症
