下列不属于天体的是 ( )
A:人类的家园──地球
B:天空中飘动的云朵
C:轮廓模糊的星云
D:皎洁的月亮
在如图所示的电路中,当滑动变阻器R3的滑动触头P向下滑动时( )
某校150名学生参加竞赛,平均分为55分,其中及格学生平均分为77分,不及格学生平均分为47分,则不及格学生的人数为( )
End of Term Report
Student's name
Zhang Xing
Subject
English
Teacher
Mr. Dickens
At the beginning of this term
He found that studying English was very ____
In writing
His ____is better.
In speaking
He can have English ____with his friends and with me.
He can answer my questions in English____.
Next term
If he ____like this, he will do much better.