小敏同学学了有关生物体的知识后，给出了以下四种说法，其中错误的是（  ）

用动词的适当形式填空。
⑴In class, every student in our class ____  (take) notes carefully
⑵–Do you think whether the book called Harry Porter is worth ____  (read)?  - Yes, of course.
⑶ I called you yesterday afternoon, but you were out. - Oh, I ____ (watch) a football match on the playground.
⑷ Can you hear the two boys ____  (argue) with each other right now?
⑸The person we talked about ____  (visit) our school next week..

解答

下图为青藏高原三江源地区太阳辐射量空间分布示意图。读图完成下列问题。

某学生在学习完中国古代史后，计划写一篇小论文，你认为下列哪项标题最合适（    ）