Choose the best answer to complete the passage.
   You've just finished with middle school and you may start wondering, “What is high school like? Is high school a lot 1middle school? Is it going to be hard to start out in a new place?"
   Most high schools in America hold a freshman class 2school actually starts. When you talk to people in the freshman class, you 3 that a lot of them are feeling just like you are, excited, maybe 4afraid. Talking about a question of common interest with your classmates could start a new 5.
   The work in high school builds on what you 6in middle school, and gives you more knowledge of many subjects. So you 7feel that it’s a bit more challenging. But these challenges can make you feel 8. And there are many resources (资源）to use if you feel that the work is too much.
   At the beginning of high school, you'll get to know it has more activities than middle school, such as clubs, music groups, and sports teams. These activities may    9 before or after school, or during your free time. 10this, time management is an important skill in your11 year.
   Middle school teaches you the12of study and social skills while high school gives you the chance to learn 13to be more independent (独立的).It's all right if you’re nervous14. Just be patient and keep 15. Once you've got used to your new independence, you can go farther than you ever imagined.

ABCDE5种食物（各100克）的部分成分如下表所示，请据表回答问题：（“…”表示未检出）

（1）人体内血红蛋白过少时会引起贫血，你认为这种贫血患者可摄取表中的食物____（填写字母）来缓解贫血症状。
（２）健康人一次大量摄取食物Ｄ后，则血糖含量会明显升高，但由于____ （激素）的分泌，血糖浓度又会降到正常水平。
（３）食物中的蛋白质最终在人体消化道的____ 中被消化成____ 吸收进入血液，通过血液循环送到组织细胞，此过程可用下图表示，请补充完整。

①____ ，②____  ，③____  ，④____ 。

小明从镜子里看到镜子对面电子钟的像如图所示，实际时间是（    ）