如图是育才中学校园平面图，校门朝向是（ ） A．南方 B．北方 C．西方 D．东

如图所示，某兴趣学习小组的同学根据“上下相邻的物质间均可发生化学反应，且左边上下相邻物质间反应均有气体产生”的游戏规则，以玩“盖房子”的游戏方式来学习几种重要物质之间的有关知识．

（1）请根据上述游戏规则从Cu、CO₂、CuSO₄溶液、Na₂ CO₃，溶液四种物质中选出适合图中③、④、⑦三处位置的物质：③______，④______，⑦______．

（2）向盛有物质⑤的锥形瓶里先滴入几滴酚酞溶液，再滴人物质②并振荡，至溶液刚好褪成无色时，溶液的pH______7．

（3）物质③和物质⑤发生反应的化学方程式是______．

阅读理解。

     Outside her shabby cottage, old Mrs. Tailor was hanging out laundry on a wire line, unaware that

some children lay hidden in the leaves of a nearby tree watching her every move. They were determined

to find out if she really was a witch.

     They watched as she took a broomstick to clean the dirt from her stone steps. But, much to their

disappointment, she did not mount the broomstick and take flight. Suddenly, the old lady's work was

interrupted by the cackling of her hen-a signal that an egg had been laid in the warm nest on top of the

haystack.

     The old broomstick was put aside as she hobbled off towards the haystack followed by Sooty, a

black cat she had rescued from a fox trap some time back. With only three legs, it was hard for Sooty

to keep up with the old lady. The cat provided proof-the children were sure that only a witch could

own a black cat with three legs.

     There, standing on a wooden box, was Mrs. Tailor, stretching out to gather her precious egg. Taking

the egg in one of her hands, she began to climb down when, without warning, the box broke and the

old lady fell.

     "We have to got and help her," whispered Amy.

     "What if it is a trick?" replied Ben.

     "Don't be silly, Ben. If she were a witch, she would have turned us into frogs already," reasoned

Meg. "Come on Amy, let's go." The girls climbed down the tree and ran all the way to the haystack.

     Approaching carefully, they could see a wound on the old lady's face. She had knocked her head

on a stone and her ankle was definitely broken. "Go and get Dad," Amy yelled to her brother. "Tell him

about the accident."

     The boys did not need another excuse to leave. They ran as fast as they could for help, hoping that

Mrs. Tailor would not wake and turn the girls into frogs.

1. Were the children hiding in the tree?

A. They wanted to watch Mrs. Tailor do her housework closely.

B. They were playing a hide-and-seek game.

C. They wanted to find out if the rumors about Mrs. Tailor were true.

D. They were pretending to be spies

2. Mrs. Tailor stopped sweeping when _____.

A. her front steps were clean

B. she noticed the children in the tree

C. she was ready to take a flight

D. she heard the hen cackling

3. Ben did not rush in help Mrs. Tailor because _____.

A. he thought that she could be necking them

B. he knew that they could not have been in the tree

C. he did not the old lady fall down

D. he was afraid of the three-legged cat

4. Which of these old sayings best suits the story's lesson for us?

A. Make hay while the sun shines.

B. Never judge a book by its cover.

C. People in glasshouses should not the stones.

D. A bird in the hands worth two in the bush.

戴阳

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