Smoking and drinking are regarded as ( ) in some countries because they do no...

李老师

Smoking and drinking are regarded as ( ) in some countries because they do no good to health.
A. vices
B. habits
C. customs
D. copies
      满分：2  分
2.  When making modern cameras , people began to ( ) plastics for metal.
A. surround
B. substance
C. stretch
D. substitute
      满分：2  分
3.  This river is so big that it is impossible to build a ( ) under it without modern technology.
A. canal
B. tunnel
C. channel
D. cable
      满分：2  分
4.  This morning in the class, our teacher lost his _______ at last because he could not stand any more.
A. temper
B. terror
C. verse
D. contain
      满分：2  分
5.  We can rely on William to carry out this mission, for his judgment is always ( ).
A. unquestionable
B. sound
C. subtle
D. healthy