公元150年,亚历山大的托勒密出版了他赢得荣誉的最重要的著作().
参考答案:《天文学大成》
用所给形容词或副词的适当形式填空。
1. Jim is very ______ ( strong). Mike is ______ (strong) than Jim.
LiLei is ______ ( strong) of the three.
2. Lucy has ______ ( many) oranges than Lily, but Lily's oranges are______ (good) than Lucy's.
3.Mike gets up______ (early) than Kate,and Kate gets up______ (early) than Mary.
Who gets up______ (early)?
Who gets up ______ (late)?
4. The Yellow River is the second ______ (long) river in China.
5. Jim jumped ______ (far) than Mike,and Li Lei jumped ______ ( far) than Jim.
Li Lei jumped ______ (far)of the three.
不同的能量形式之间可以相互转变,但在生物体内一般不会发生()
A.光能转变成化学能
B.热能转变成化学能
C.化学能转变成光能
D.化学能转变成热能