请回答针灸治疗急性腰扭伤的主穴及腰部正中扭伤者的配穴。
参考答案：
1.主穴
阿是穴、肾俞、腰痛穴、委中。
2.配穴
人中、后溪。
按要求改写句子。
1. We often play basketball on Sunday. (改写成第三人称)
He often _______________ basketball on Sunday.
2. Jim has breakfast at nine o'clock. (用yesterday改写)
Jim _______________ breakfast at nine o'clock yesterday.
3. They dance very well. (改为否定句)
They _______________ _______________ very well.
4. I usually watch TV every evening. (改写成现在进行时)
I _______________ _______________ TV now.
5. They are playing table tennis now. (改写成一般现在时态)
They _______________ table tennis every day.
6. Are they shoes? (作肯定回答)
_______________, _______________ _______________.
股票A的价格为38元/股，某投资者花6.8元购得股票A的买主期权，规定该投资者可以在12个月后以每股40元的价格购买1股股票A。现知6个月后，股票A的价格上涨为50元，则此时该投资者手中期权的内在价值为( )元。
A．-1.8
B．0
C．5
D．10
