【单选题】绘制相贯线时,也遵循“长对正,高平齐、宽相等”( )。
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选出下列句子中正确的句子( )
A. The beautiful girl my sister.
B. The girl is beautiful.
C. Beautiful sister girl is my.
D. The beautiful girl is my sister.
1)____(老年人) need more care than 2)____(年轻人).
She is a ____student. 她是一个好学生
This bike is ____. 这辆自行车很贵。