某种细胞器在运动员骨骼肌细胞中的数量显著多于缺乏锻炼的人的骨骼肌细胞中的数量，该细胞器是（  ）

题目一：下列连环画讲述的是中国古代寓言故事《愚公移山》，请你发挥想象力，完整叙述这个故事。（字数600-800）

在冀州南边，黄河北岸的北边有太行、王屋两座大山，方圆七百里，高七八千丈。有个名叫愚公的人，年纪快到90岁了，在山的正对面居住，出入非常不方便，很是发愁。于是……

题目二：请将“________最美丽”补充完整，构成你的题目，写一篇文章。不限文体（诗歌除外），字数600-800。

B

    Chris and Jessica live in Miami，Florida.They are packing(收拾行李)now.They're going away for a three-­week vacation tomorrow.They're going to rent(租)a house near a small lake about 100 miles north of the city.

    Chris is a carpenter(木匠)and he works hard.He often works ten hours a day，and he makes good money.He helps to build and repair houses.He likes his job and Miami.

    Jessica spends a lot of time working in her office and taking people to see houses.Her job and her family keep her busy.She gets little time to read and relax during the year.

    Chris and Jessica enjoy the quiet of the country.Chris loves fishing.He is going to rent a boat and he will go fishing on the lake for four or five hours every day during the vacation.

    Jessica doesn't like fishing，but she's an excellent swimmer.She is going swimming every afternoon during the vacation.After that，she will sit in the yard and read for a few hours.She especially likes to read novels.

Both Chris and Jessica believe that they will have a great time there!