When our personal interests are _____ those of people, we should put people's interests before our own. [ ]
A. conflicting
B. in conflict with
C. conflict with
D. in conflict against
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Scientists say illegal logging is threatening one of Mexico's most famous insects. Satellite pictures show
large wooded areas have been cleared from the central Mexican state of Michoacan. The forests are the winter
home for millions of monarch butterflies. The butterflies go there each year to reproduce. After reproducing,
the adult butterflies die, but their young return to the home of their parents each spring.
The American space agency released the relevant satellite pictures last month. The images show the Monarch
Butterfly Biosphere Reserve. A Mexican law protects trees growing in the area. The images show that about
four hundred and forty-five hectares have been cleared since 2004. Scientists say that, if the clearing continues,
monarch butterflies are unlikely to continue using the Reserve as their winter home.
For thousands of years, the butterflies have been flying to the same forests. Their trip begins along the border
of Canada and the northeastern United States. The insects fly about eighty kilometers a day. They reach central
Mexico after about sixty days. No one is sure why the brightly coloured orange and black butterflies chose these
forests. However, scientists believe the area might offer the right mix of wetness and cool weather to keep the
insects alive through the winter.
Lincoln Brower is a professor of biology at Sweet Briar College in Virginia. He has been studying monarch
butterflies for fifty-two years. He says they have been migrating along the same path for about ten thousand
years. People in Mexico have compared the arrival of the butterflies to dark cloud-like formations (阵式) filling
the air. The monarchs arrive in such large numbers that they sometimes cover whole trees.
Mexico's President ordered special protection for the Monarch Butterfly Biosphere Reserve eight years ago.
The Mexican government has struggled to enforce (强制) the order. Although illegal logging has become one
way for poor people to earn money, other Mexicans are fighting to protect the butterflies' home.
1. What would be the BEST title for the text?
A. Illegal Clearing of Forests Threatens Winter Home of Monarch Butterflies
B. The Forests are the Winter Home for Monarch Butterflies
C. Monarch Butterflies Like the Winter Home in the Forests
D. Protecting the Forests Can Protect Monarch Butterflies
2. Why are the forests called the winter home for millions of monarch butterflies? Because each winter
the butterflies travel there to _____.
A. avoid cold
B. look for food
C. sleep
D. produce young
3. Why did monarch butterflies choose the forest as their winter home?
A. It has many trees.
B. It has the appropriate environment for them.
C. It is easy to get to.
D. We don't know.
4. The underlined word "migrating" in paragraph 4 is closest in meaning to "_____".
A. going to live in another area or country, especially in order to find food
B. travelling regularly from one part of the world to another
C. changing from one place or position to another
D. starting using an area again as a place to live
5. What can be inferred from the last paragraph?
A. Mexico has nothing but forests.
B. Most people in Mexico are poor.
C. All Mexicans are destroying the butterflies' home.
D. Some poor people in Mexico often break the law.
在我国，保证把人民的权力用来为人民谋利益，必须对权力进行有效制约和监督，其关键是 [ ]
A．发挥人民民主对权力的制约和监督
B．加强法制对权力的制约和监督
C．加强新闻舆论和社会公众监督
D．建立健全制约和监督机制
送桩工程量按（）计算。
下列关于全口义齿人工牙排列的要求，错误的是（）。
A.前牙要与面部形态协调一致
B.两侧口角线之间验堤的弧度为3﹢3总宽度
C.牙的排列要体现患者的个性
D.前牙排成浅覆验浅覆盖
E.侧方咬合时，工作侧为尖牙保护
代维人员发现自已不熟悉的设备时，应（）以免发生不测。
A、咨询设备厂家人员
B、积极请示代维管理人员
C、自行动手操作