宋诗《夏日田园杂兴》云:“下田戽水出江流,高垄翻江逆上钩。地势不齐人力尽,丁男长在踏车头。”下列需要“丁男踏车”的灌溉工具是( )
A:
B:
C:
D:
There __________ a big tree in front of my house . I could hear many birds sing in it .
—It is very beautiful. I love it very much.
目前,我国从总体上已经进入小康社会,因此,我国已进入社会主义的发达阶段。