交谈的原则包括（）
A.尊重病人
B.有针对性
C.及时反馈
D.以上均是
参考答案：D
We have too many people in our country. Their life will be ___________ if there are ___________ children in a family.
A．richer; fewer
B．poorer; fewer
C．richer; more
D．richer; less
已知标准罗经航向100°，自差-1°，此时操舵罗经航向105°；通过与标准罗经航向比对，得操舵罗经自差为（）。
A．+4°
B．+5°
C．+6°
D．-6°
