简算:405-0.18×100-82.
根据题意可得:
405-0.18×100-82,
=405-18-82,
=405-(18+82),
=405-100,
=305.
English people are sure that the 2012 London Olympics _____ the city environment better. [ ]
A. makes
B. will make
C. made
D. has made
生物膜