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【单选题】
猪，30日龄发病，表现结膜、呼吸增快，体温39℃，食欲不振、喜饮，起卧不安，频频作排粪动作，粪便干硬带有少量血丝。 12、预防该病的有效措施是A.
限制运动
B.
充分饮水
C.
限制饮水
D.
增加干饲料
E.
增加精饲料
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【简答题】某化学课外小组欲用固体与液体反应(不需加热),快速简便制取一瓶(125mL)干燥的氧气. (1)从所提供的仪器(或装置)A-G中选出所需要的是(填序号)________. (2)选用的药品为________,化学反应方程式为________. (3)除导管和胶管外,还需要的仪器和用品为________. (4)用上述所选的气体发生装置,除了可制取 外,请写出用此装置制取的两种其它气体及制取气体所需...
【简答题】（14分）某中学化学课外活动小组欲探究铁在氯气中燃烧产物的成份、性质和用途，设计了如下实验步骤： （1）用下列实验装置制取干燥纯净的氯气 ①制备并收集得到干燥纯净的氯气，上述各装置按气流从左到右方向连接顺序为 （填仪器接口的字母编号） ②该实验还存在不足之处，应如何改进？ （2）某同学将一定量铁粉与Cl 2 恰好完全反应得到一固体物质a，然后通过实验确定其成分。探究过程如下： ①提出假设：（请把下...
【单选题】I Know Just How You Feel Do you feel sad? Happy? Angry? You may think that the way you show these emotions is unique. Well, think again. Even the expression of the most personal feelings can be classi...
A.
We thought of trying to describe each emotion, but it would have been almost impossible to make clear rules for this.
B.
These particular muscles are difficult to control, and few people can do it.
C.
Research has also been done to find out which areas of the brain read emotional expressions.
D.
They decided that it was a mental state that could be preceded by 'I feel' or 'he looks' or 'she sounds'.
E.
He said that the expression of these feelings was universal and recognisable by anyone, from any culture.
F.
Any other method of showing all the 412 emotions, such as words, would have been far less effective. (46)
【单选题】If you think the price of pork is too high, you _____ as well buy some beef. It depends on you!
A.
should
B.
will
C.
would
D.
may
【简答题】某中学化学课外活动小组欲探究铁在氯气中燃烧产物的成份、性质和用途，设计了如下实验步骤： （1）用下列实验装置制取干燥纯净的氯气 ①制备并收集得到干燥纯净的氯气，上述各装置按气流从左到右方向连接顺序为 （填仪器接口的字母编号） ②该实验还存在不足之处，应如何改进？ （2）某同学将一定量铁粉与Cl 2 恰好完全反应得到一固体物质a，然后通过实验确定其成分。探究过程如下： ①提出假设：（请把下列假设补充...
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【单选题】I Know Just How Yon Feel Do you feel sad? Happy? Angry? You may think that the way you show these emotions is unique．Well，think again．Even the expression of the most personal feelings can be classifie...
A.
We thought of trying to describe each emotion，but it would have been almost impossible to make clear rules for this．
B.
These particular muscles are difficult to control，and few people can do it．
C.
Research has also been done to find out which areas of the brain read emotional expressions．
D.
They decided that it was a mental state that could be preceded by“I feel”or“he looks”or“she sounds”．
E.
He said that the expression of these feelings was universal and recognizable by anyone，from any culture．
F.
Any other method of showing all the 412 emotions，such as words，would have been far less effective． (46)
【简答题】根据首字母提示补全对话。 1. — What c___________ do you need? — I think I need a dress and a pair of shoes. 2. — Where is my key? — Here it is. You can o___________ your door. 3. — What is he doing? — All done, he...
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A.
She feels she has to pay a lot to hold parties.
B.
She feels small parties are impersonal.
C.
She feels big parties are very. personal.
D.
She dislikes many people at home at the same time.
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