首选何方A．知柏地黄丸 B．六味地黄丸 C．左归丸 D．左归丸合天王补心丹 E．天麻

Kate Spotz is a 22-year-old girl from America. She wants to cross the Atlantic Ocean by boat. If she__ ___ , she’ll be the youngest and the first American to finish the 2500-mile trip.

Spotz began___ ____ when she was at university. She has swum all the way down the 325-mile Allegheny River and traveled by bike from Seattle to Washington.

Spotz knows that she______ see some unexpected(想不到的) things during the trip. It will be very______ if she meets very bad weather in the middle of the sea. _____ she believes that she can deal with all the difficulties.  “I had never thought I could run 26 miles,” she said. “But once I ______ it, I realized that maybe I could do something even______.”

Spotz wants to collect______ for an organization called“ Blue Planet Run” by going on this trip. The organization offers free and safe drinking water to people who need it.

It’ll take her about three months to finish this______. Good luck to this______ girl and best wishes to her!

小题1:A. dreams .            B. misses                   C. succeeds

小题2:A. sailing                B. biking                   C. swimming

小题3:A. must                B. may                    C. should

小题4:A. dangerous             B. boring                   C. exciting

小题5:A. If                   B. But                     C. So

小题6:A. saw                  B. met                     C. finished

小题7:A. easier                 B. more difficult             C. more dangerous

小题8:A.food                  B. money                   C. clothes

小题9:A.plan                  B. lesson                   C. trip

小题10:A. brave               B. modern                  C. polite

How he wishes he had grasped the opportunity to get the position; now he feels sadly his career lies         .

A．in rows

B．in detail

C．in number

D．in ruins

（1）图A、B是测量 空气中氧气体积的实验：

①实验小组按A装置进行实验后，发现进入集气瓶中水的体积超过总容积的

1

5

，你认为导致这一结果的原因可能是______（填序号）．

    A．实验前未将橡胶管夹紧；     B．实验前导管中未加满水；    C．红磷过量；    D．氧气未消耗完．

②实验后，实验小组又进行反思，设计了B装置，利用气压变化使白磷燃烧，与A装置比较，其优点是______（填序号）．

    A．防止空气污染；       B．减少误差；       C．节约燃料；       D．便于直接读数．

（2）两位同学探究物质发生化学变化前后，总质量是否发生改变？小刘设计的实验装置和药品如图C所示；小李设计的实验装置和药品如图D所示；他们在反应前后都进行规范的操作、准确的称量和细致的观察：

①小刘的实验后，天平平衡，从而验证了______定律，也由此说明，化学反应前后，一定不变的是______（填序号）；

  a．原子种类   b．原子数目   c．分子种类   d．分子数目   e．元素种类   f．物质种类   g．原子质量   h．元素质量 

②若小刘进行实验时，白磷刚引燃，立即将锥形瓶放在天平上称量，天平也不平衡．导致这一结果的原因是______；

③小李的实验后，发现天平不平衡，若依然使用图D中的药品，最好选择下图中______仪器（填序号）组装成新的装置，才能达到实验目的．

浅反射是刺激________或________引起的反应，深反射是刺激________或________经深部感受器完成的反射

预计到2015年，我国老龄人口将达到4亿。