米索前列醇禁用于妊娠妇女的原因是：
A．升高血压作用
B．引起胃出血
C．胃肠道反应
D．子宫收缩作用
E．致畸作用
参考答案：D
I ____ you, but I didn’t think you would listen to me.
A．could have told
B．must have told
C．should tell
D．might rell
14. All the electrical equipment_____will be equipped in the office great importance to us.
A．that; are of
B．that; is of
C．what; is of
D．what; are of
