-- What a good you’ve given me! Thanks a lot.
-- My pleasure.
A:information
B:news
C:suggestion
D:advice
生态系统由____ 和____ 两部分组成。其中生物部分包括____ 、____ 、____ 。
小明用如图所示装置探究两种液体的吸热能力,两烧瓶中的电阻丝相同.
have, at, like, usually, watch, homework, after, play, come
I have a friend. His name is Li Daming. He often gets up ____ six o'clock in the morning. He ____ breakfast at seven. He goes to school five days a week. After school,he ____ plays games for half an hour. Look! What is he doing?He is ____ basketball. In the evening he does his ____ and he likes listening to music. He often ____TV for half an hour____ he finishes his homework. He goes to bed at ten o'clock. Do you ____ him?
如图所示的四种情景中,属于光的反射的是( )