冲洗带含水体积占冲洗带岩石体积的百分数是（）。
A.含水饱和度
B.冲洗带含水孔隙度
C.含油孔隙度
D.有效孔隙度
参考答案：B
同义句转换。
1. On weekends we often have an English party.
On _______ and _______ we often have an English party.
2. Where are they from?
Where do they _______ _______?
3. Let's go to a movie.
Let's _______ a _______.
4. Mrs Brown is doing shopping now.
Mrs Brown is _______ _______ now.
5. We go to school from Monday to Friday.
We go to school _______ _______.
某品牌手机的进价为1200元，按原价的八折出售可获利14%，则该手机的原售价为（ ）
A．1800元
B．1700元
C．1710元
D．1750元
