如图是某些有机物的比例模型，其中表示为CH₄的是（ 代表氢原子 代表碳原子）（　　）

同温同压下，甲容器中充满³⁵Cl₂ ， 乙容器中充满³⁷Cl₂ ， 下列叙述错误的是（   ）

Now the population of the birds is .（增长）

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

Ways to protect cell phones from damage

    While people use cell phones frequently, very few take the necessary measures to prevent damage. Here are some simple ways for you to protect your cell phone from damage.

Keep cell phones out of the rain

    If you must talk on the phone while it's raining, try to move indoors.  Otherwise, you may have trouble with the numbers or the cell phone speaker. Imagine dialing (拨打) one number and getting different results.

    Many people like to put their cell phones in the pants or jeans pocket. However, storing a cell phone there will put it at risk of damage. You may forget that it is still in your pocket and just sit on the cell phone. As a result, your cell phone screen will get damaged.

Do not handle cell phones while eating

    This is especially true for those times when you are eating messy things and get the ingredients on your hands. One accident can cause lots of damage for your cell phone.

Get a protective cell phone case

    There are many kinds of cases available on the market. It will provide a protective cushion (垫子) that may save you from paying money to fix or buy a new phone.

A. Do not put cell phones in your pocket B. Do not throw cell phones onto hard surfaces C. Many people often talk on the phone in the rain. D. You can also cover the phone up with your hand. E. Just choose one that fits the size of your cell phone. F. One mistake may end up costing you more money. G. Food and drinks should not be near your cell phones.

有容积不同的X、Y两密闭容器，X中充满CO气体，Y中充满CH₄、O₂、N₂的混合气体，同温同压下测得两容器中气体的密度相同．下列叙述中不正确的是（   ）

下列表示错误的是（   ）

阅读下面的文言文，完成下面小题。

孙道夫，字太冲，眉州丹稜人。年十八贡辟雍。时禁元祐学，坐收苏氏文除籍。再贡，入优等。张浚荐于高宗，召对，道夫奏：“愿修德以回天意，定都以系人心，任贤材、图兴复以雪国耻。”上在越，浚遣道夫奏事，赐出身，改左承奉郎。再诏对，言：“汉中前瞰三秦，后蔽巴蜀，孔明、蒋琬出图关辅，未有不屯汉中者。今守江当先措置荆南时至则蜀汉师出秦关荆楚师出宛洛陛下亲御六军，由淮甸与诸将会咸阳，孰能御之”上嘉纳，召试馆职。上谕宰相：“自渡江以来，文气未有如道夫者，涵养一二年，当命为词臣。”迁校书郎。出知怀安军，乞罢都运司以宽民力，罢戍兵以弭乱阶，罢泛使以省浮费。知资州，宣抚郑刚中荐其治行第一。移知蜀州，盗不敢入境。州产绫，先是，守以军匠置机买丝亏直，民病之，道夫断其机。遇事明了，人目为“水晶灯笼。”九年不迁，盖非秦桧所乐也。以吏部郎中入对，言蜀民二税监酒茶额之弊，上纳其言。除太常少卿，假礼部侍郎充贺金正旦使。金将败盟，诘秦桧存亡，及关、陕买马非约，道夫随事折之。使还，擢权礼部侍郎。上曰：“卿自小官已为朕知，第赵鼎与张浚相失后，蜀士仕于朝者，皆为沮抑。继自今有所见，可数求对。”兼侍讲，奏敌有窥江、淮意。上曰：“朝廷待之甚厚，彼以何名为兵端？”道夫曰：“彼金人身弑其父兄而夺其位，兴兵岂问有名，臣愿预为之图。”宰相沈该不以为虑，道夫每进对，辄言武事，该疑其引用张浚，忌之。道夫不自安，请出，除知绵州，致仕 ， 卒，年六十六。道夫居官，一意为民，不可干以私。仕宦三十年，奉给多置书籍。然性刚直，喜面折，不容人之短，或以此少之云。

（节选自《宋史·孙道夫传》）

下列物质对应的组成或结构正确的是（   ）

改错题。

假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下短文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏词符号（∧），并在其下面写出该加的词。

删除：把多余的词用斜线（＼）划掉。

修改：在错的词下画一横线，并在该词下面写出修改后的词。

注意：1）. 每处错误及其修改均仅限一词；

2）. 只允许修改10处，多者（从第11处起）不计分。

    A city, whether big and small, should be clean. Only when we live in a clean city we live a happy life. As we know, a clean city, that disease may be reduced and people's health may be better, are good both for our mind and body. No one believes people lived in a dirty city with waste everywhere can live happy. However, for more and more people moved into our city, it is not easy to keep our city clean. Beside, some factories will pour waste into the air, the river and onto the ground, making it is hard to keep our city clean. To make our city the better place to live in, we still have a lot to do.

—Let's go to the New Year's Eve party, shall we?

— I guess it will be fun.

The old man lay(trap) under the building waiting (rescue).

Destruction of the environment is one of the most （挑战）we face.

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

    Working together is an art form. Sharing skills, talents and, above all, learning to compromise(妥协)is necessary when working with groups of people.  Improve personal and professional relationships and open the door for productive group interactions.  

    Meet with the group, committee or board to define(规定)a corporate goal. Define your final outcome.

    Set a date to reach each milestone with corresponding(相应的)meeting to come together. Remind team members not to consider their own interests in favour of the collective goal.

    Understand the need to compromise on some issues. Decide what important things must be present in the final plan.

    Assess(评估)the views of the group with an open mind. Don't prefer your own ideas and methods.  Value the differences and absorb a variety of ideas into the joint project.  

    Learn to transform complex ideas into one. The spirit of co-operation is about many people coming together to contribute their advantages to one common goal.

    Discuss ideas, not personalities.  Stop the members when accusations(指责)go beyond the work.  

A. Working with others means learning to cut your own individual learning goals.

B. Be a team player by co-operating with group members.

C. When being co-operative, it's important to respect the other people in the room.

D. Focus your energy on the assigned outcome, if an argument arises.

E. Learn to find out the advantages and disadvantages of your group members.

F. Create an action plan to achieve agreed upon goals.

G. Appreciate that differences exist between you and your group members.

下列化学用语描述中正确的是（　　）

同温同压下，下列气体的密度最大的是（　　）

一定温度压强下，用相同质量的CH₄、CO₂、O₂、SO₂四种气体分别吹出四个体积大小不同的气球，下列说法中正确的是（   ）

已知在一个二阶矩阵M的变换作用下，点A（1，2）变成了点A′（4，5）点B（3，﹣1）变成了点B′（5，1）．

（1）求矩阵M；

（2）若在矩阵M的变换作用下，点C（x，0）变成了点C′（4，y），求x，y．

The source of the river lies in Tibet and it has many(支流).

After the earthquake, she lay t under the building for three days.

下列各句中各有一处表述不当，请指出并加以修改，使之准确、得体。

①他是我最信任的朋友，头脑灵活，处事周到，每次我遇到难题写信垂询，都能得到很有启发的回复。

②这么珍贵的书您都毫不犹豫地送给我，太感谢了，我定当好好惠存。

③请您放心，我们一定尽快玉成此事，确保贵校的高三学生能顺利搬迁到新校区。

④苏先生说：“今日有缘相聚，实在不易。您是马齿徒增，我是碌碌半生，怎不让人感慨！”

⑤这次幸亏班主任李老师从中斡旋，才化解了李华和赵明的矛盾，使得两人化干戈为玉帛，握手言和。

⑥些许小事也要论输赢，可见二位心胸狭隘，对于这件闹得沸沸扬扬的小事，我会钧裁你们二位。