①安静的手指悄然合拢。____
A.凑起,总合 B.收束使不松散 C.合上,聚拢
②浓郁的花香吸引着安静。____
A.忧愁,愁闷 B.有文采 C.形容香气
已知点P在曲线y=43ex+1上,α为曲线在点P处的切线的倾斜角,则α取值范围( )
作为中学生,我们在社会交往和公共生活中应当共同遵循的行为准则是( )
看图,读一读,选择适当句子补全对话。
A. Would you like some milk?
B. We can read books at home.
C. Good idea.
D. How is the weather in winter?
E. Why don't you play football?