有关葡萄膜黑素瘤描述正确的有（） A.好发于后1/3脉络膜 B.易转移 C.可引起视

某化合物X在空气中完全燃烧，反应的化学方程式为：X+3O₂

点燃  .

2CO₂+2H₂O，则X的化学式为（　　）

A．C₂H₂

B．C₂H₄

C．C₂H₄O₂

D．CH₂

正在在萌发时，最先突破种皮的是 [ ]

A．胚轴

B．胚芽

C．胚根

D．子叶

某房地产投资咨询公司正在对市场调研工作展开研讨，请回答下述问题。

房地产是一种特殊的商品，它的()是其与劳动力、资本以及其他类型商品的最大区别。

A.价值量巨大

B.不可移动性

C.政策性强

D.本质是一种物化劳动

As crime skyrockets in many communities, people are finally beginning to look for long-lasting effective answers to stem the tide of juvenile crime. Reaching the youth who have committed a crime before they become (1) is an essential step in reversing the crime trend. One (2) may be the establishment of teen court. Teen court is known as a sentencing court for youths who have (3) . Teen courts primarily deal with first-time offenders. After arrest, the young offender must (4) to the charge in juvenile court. With (5) , the offender agrees to be sentenced and abide by the decision of peer jury (6) . Another essential component to teen court is that, as part of the sentence, the offender must sit in on one of more future peer juries to (7) for other offenders. For example, a county teen court in Illinois gives young offenders a chance to (8) their arrests from their permanent record by (9) or other duties ordered by the court. Teen court is not a trial court. All teens admit their guilt and (10) a sentence given to them by a jury of their peers. A judge is present to (11) of the court. The teen court alleviates the strain on the (12) and has been implemented in (13) since the first teen court opened in Odessa, Texas. Beside giving the offender a second chance, it gives the youth (14) in the judicial process.
The purpose of the teen court, aside from sentencing youth offenders, is to (15) both the offenders and the teen volunteers while simultaneously promoting (16) between defendants, the community, and the police. By offering this (17) system, teen court allows those teens who have made a bad decision an opportunity to (18) and learn from it. At the same time those teens learn (19) . The police, the community, and the (20) .

“为天地立心，为生民立命，为往圣继绝学，为万世开太平”是北宋理学家张载先生的“横渠四教”。这四句话既是张载一生为学的归宿，也可以看作是宋儒的集体文化纲领。这启示当代的学者，要做到对自身文化强烈的自豪感、历史感和责任感就必须要（）

A.加强管理、正确引导、反对西化、展望未来

B.面向世界、博采众长、兼收并蓄、以我为主

C.担当责任、继承传统、服务大众、展望未来

D.立足实践、推陈出新、求同存异、创新发展