培育雏鸡最初的适宜温度为()℃。
A、5—10
B、13—20
C、25—30
D、33—34
参考答案:D
It was not until she arrived at the classroom she realized she had forgotten her coursebook.
A.and she realized
B.which she realized
C.then she realized
D.that she realized
山西焦煤于2013年进入世界500强。