愈伤组织的形成大致经历（）、（）、（）三个时期。

阅读下面一首宋词，然后回答问题。

（1）作者在本词中抒发了怎样的思想感情？

答：________________________________________ 　

（2）本词在景物描写上有哪些特点？选择其中一种（情景交融除外）简要赏析。

答：________________________________________

阅读短文，根据所给的中文提示，写出空白处各单词的正确形式，每空只填一词。

Dear aunt,

I am very glad to get your letter. Thanks for  小题1: (邀请) me to your home. But  I can’t go becauseI have a  小题2:(感冒). On my last day off, I got up  小题3: (早).Nick and I went   小题4:  (钓鱼)in a lake.It was about   小题5: （四十） minutes by bike. We  had  小题6: (愉快)there. We didn’t get back until 4:00 pm. However, it  小题7: (开始) to rain hard on the way. We were  小题8: (湿的).

Don’t  小题9: (担心). I think I will be better. I will see you soon if I am  小题10: (有空).Thanks .

Tom

轨检车检测在线路允许速度Vmax≤120km/h正线地段，轨向Ⅱ级容许偏差管理值为（）。

A.7mm

B.8mm

C.10mm

D.12mm

完成句子。

1. 应当教育孩子们尊敬老年人.

Children ought to be educated to ______ ______ ______ the old people.

2. 学生们迫不及待期中考试后回家

The students ______ _______ _______ go home after the mid-term examinations.

3. 她没来的原因是她的车在半路抛锚了.

The reason _______ _______ she was absent was ______ her car broke down halfway.

4. 你不应该出去踢足球,因为你有好多作业要做.

You _____ not _______ _______ go out to play football, with so much homework to do.

5. 我现在回想起来,还是不明白什么地方出了问题了.

______ _______ _______ it now, I still don't figure out what's wrong with it.

腹股沟斜疝位于（）

A.精索在疝囊后方

B.疝囊颈在腹壁下动脉外侧

C.两者均是

D.两者均不是