妊娠期妇女服用后会使胎儿颅骨和面部畸形、腭裂的药物是
A.雌激素
B.孕激素
C.甲氨蝶呤
D.反应停
E.烷化剂
参考答案:C
Some women can make a good salary in a job instead of staying at home, but they decided not to work for the sake of the family.
A.Some women could have made a good salary in a job
B.It should have been a job with good salary for women
C.The work should have made some women a good salary
D.Some women would make a good salary in a good job
机车推送车列不变更运行方向,连续加速和减速,每加速减速一次溜出一个车组,连续溜出几个车组后才回拉的方法,称为()溜放法。
A.多组
B.牵引
C.单钩
D.连续