急性肾炎发生循环充血常在（）
A.患病早期
B.患病恢复期
C.患病4周
D.患病8周
E.患病12周
参考答案：A
下图为某极地俯视图，弧abc是晨昏线，该日由a地到b地白昼逐渐增长。此时，一架旅游包机正从x地起飞，6小时后降落y地。飞机降落时，该地正值
A．正午
B．日出
C．子夜
D．日落
It’s more than half a century _________ my grandfather joined the Party and became a servant to the people.
A．when
B．that
C．since
D．while
