在钻开油气层前都要进行()。
参考答案:试压
北回归线的纬度为( )
A.66.5ºN
B.23.5ºN
C.23.5ºS
D.30ºS
The Japanese pop star, _________ drug use, may get an 18-month prison term.
A.defended against
B.accused of
C.charged by
D.reminded ; of