【名词&注释】
西藏自治区(tibet autonomous region)、民族区域自治(regional national autonomy)、民族关系(national relation)、人大代表(npc deputy)、民族平等(national equality)、认真贯彻(seriously follow out)、国家机关、常务委员会(standing committee)、人民代表(people ' s representative)、人民政府(s government)
[单选题]18-3．分子式为C5H10O2的酯共有(不考虑立体异构) ：
A. 7种
B. 8种
C. 9种
D. 10种
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[单选题]_____________________________________________________________________________If you prefer using the dictionary on a computer, you can obtain CD-ROM versions of many major dictionaries. In addition, you can access numerous dictionaries, such as WWWebster’s Dictionary, on the Internet. Online dictionaries allow you to enter a search word (you even get help with spelling) to see a definition, and sometimes even an illustration. Online dictionaries also offer additional features, such as word games, language tips, and amusing facts about words. Some online dictionary services allow you to access numerous dictionaries, both general and specialized, in one search.
A. Varieties of college dictionaries
B. Accessing dictionaries electronically
C. Elements under a word item
D. Complete editions of dictionaries
E. Using dictionaries for particular fields
F. F. Features of college dictionaries
[单选题]花药的药室内壁即是( )。
A. 纤维层
B. 中层
C. 绒毡层
D. 纤维层、中层和绒毡层的总称
[单选题]How does eBay make money from its website7?
A. By bringing callers together.
B. By charging for each sale
C. By listing items online
D. By making e-photos.
[单选题]—Why do you want to work for our company?
—This is the job that I for.
A. looked B． am to look
B. had looked
C. have been looking
[多选题]西藏自治区历任人民代表(people s representative)常务委员会(standing committee)主任和人民政府(s government)主席都是由藏族公民担任。目前，在自治区四级人大代表中，藏族和其他少数民族占94%以上，在自治区各级国家机关组成人员中，藏族和其他少数民族占77.97%。这说明
A. 我国少数民族依法享有管理民族内部事务的权利
B. 民族区自治制度有利于维护国家的统一和安全
C. 我国认真贯彻民族区域自治制度
D. 坚持民族平等是我国处理民族关系的根本原则
[单选题]
A. forB． to
B. at
C. in
[单选题]次生菌丝是指菌丝的每个细胞中均具双核，它在子囊菌和担子菌的生活史中都占主要地位。( )
A. 正确
B. 错误
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