北方地区秸杆还田时，要配合施用适当的（）
A.碳水化合物
B.氮肥
C.钾肥
D.镁肥
参考答案：B
On his way home, he found a wallet ___ on the ground, which he picked up and ____ in his schoolbag.
A．lying, laid
B．laying, laid
C．laid, lay
D．lain, lay
少神表现为（）
A.神疲少气懒言
B.神志昏迷
C.肌肉大削
D.突然出现面红如妆
E.狂躁乱语
