⑴How do you feel? ____                                 A. I can skip a rope.

⑵How does your grandfather feel? ____        B. My name is Jackson.

⑶What's your name? ____                              C. She's tired.

⑷How old are you? ____                                 D. I am tired.

⑸What can you do? ____                                E. I am eleven years old.

⑹How does Kitty feel?____                             F. He's tired.

书写电子式或用电子式回答下列问题

①NaOH____ ②H₂O____ ③O=C=O____④CCl₄____

⑤以氟化氢为例表示共价键形成过程____

⑥以硫化钠为例表示离子键形成过程____．

泉州地处沿海,其昼夜气温变化不如地处沙漠的吐鲁番大,其主要原因是海水与沙石相比有较大的（    ）

魏晋南北朝时期，江南地区摆脱了原先落后停滞的状态，出现“一岁或稔（丰收），则数郡忘饥…丝绵布帛之饶”的景象，其主要原因在于（    ）