在坝址处峡谷地区,岩石坚硬、岩坡陡峻,交通不便或缺乏运输设备时采用()方法。
A.混合截流
B.立堵截流
C.平堵截流
D.定向爆破截流
参考答案:D
句型转换 每个空格只准填一个单词。(共5小题,每小题2分,满分10分)
小题1:Tony wants to learn Chinese because he likes Chinese food. (对画线部分提问)
______ does Tony to learn Chinese?
小题2:Lucy gets on well with her classmates. (对画线部分提问)
______ ______Lucy get on with her classmates?
小题3:They are enjoying themselves in the zoo. (改为同义句)
They are _______ _______ _______ _______ in the zoo.
小题4:There will be some robots in our home. (改为否定句)
There ______ be ______ robots in our home.
小题5:I spend much money on books every year. (改为同义句)
I ________ much money ________ books every year.
病人所应履行的义务是必须同医务人员合作()