立法具有灵活性，法的实施包括执法、司法、守法等，也有一定的灵活性。( )
参考答案：错
下列细胞中含叶绿体的有( )
A．水稻根尖分生区细胞B．小麦维管束鞘细胞C．玉米维管束鞘细胞D．蓝藻细胞
The professor said that he was interested only in research; he didn’t ________ others’ comments.
A．care about
B．come about
C．bring about
D．get about
