图中C为弧线AB的中点，ABCD四点此时太阳高度均为0°，A点以北处于极昼，B点以南处于极夜，据此完成下题

小题1:若A点纬度为66°34′N,经度为90°E，则下列说法正确的是：

A．此时C点昼长夜短

B．此时地球公转速度接近最快

C．此时太阳直射点在23°26′N，90°W

D．此时长江口盐度较高小题2:下列关于ABCD四点的表述，正确的是

A．正午太阳高度A＞B＞C＞D

B．自转线速度A＜B＜C＜D

C．白昼长短A＞D＞C＞B

D．地方时A=B=C=D

The air quality in Beijing as well as in the neighboring cities we once spent much time____ better and better.

A．in getting

B．having got

C．in is getting

D．has got