若a的相反数是3,则a的倒数是( ) A.-13 B.-3 C.13 D.3

题型:选择题

问题:

若a的相反数是3,则a的倒数是(  )
A.-
1
3
B.-3C.
1
3
D.3
考点:相反数倒数
题型:选择题

 单词拼写(共10小题,每小题1分,满分10分)

根据下列句子及所给单词的首字母或汉语注释,在句子右边的横线上写出一个单词的正确形式。

66. You must ask ________________(允许)if you want to leave early.

67. The coming measure will bring both economical and environmental benefits, the  

____________(后者) especially welcome.

68. She _______________(像) her sister in appearance but not in character.

69. People's abilities___________(不同), but their rights and opportunities should be the same.

70. Congo, a(n) _______________ (非洲)country, became independent in 1960.

71. The car he was driving was over 30 feet in ____________(长)and had a 2,500-horsepower   

engine.

72. There were ___________(总共)20 people at the dinner, including Mary and her daughter.

73. The book which the professor ____________(提到)to was not in the school library

74. Walt Whitman’s ____________(出生地)was restored in 2001 and it is a fine example of

native Long Island craftsmanship.

75. All the _____________(女)workers in this factory got a present on March 8.

题型:选择题

下颌第一磨牙Ⅱ度根分叉病变,龈缘足够高

A.引导性组织再生术+植骨术
B.改良Widman翻瓣术
C.根向复位瓣术
D.截根术
E.牙龈切除术 下列情况采取的最佳术式是

题型:选择题

下列哪一项不是慢性病的一级预防措施()

A.大众禁烟活动

B.高危人群的疾病筛查

C.给各居民户发盐勺

D.举办健康知识讲座

E.高危人群的行为干预

题型:选择题

图5示意河套平原地区。当地将黄河水通过引水渠引入区内灌溉农田,农田灌溉退水经过排水渠汇入乌梁素海。近年来,乌梁素海出现污染加重趋势。

4)提出治理乌梁素海污染的措施。

题型:选择题

()反对派因对新议会选举结果不满,2005年3月24日在首都比什凯克举行反政府示威游行,并控制了政府主要权力机关,占领了国家电视台。阿卡耶夫总统被迫离国出走。

A、乌兹别克斯坦

B、吉尔吉斯斯坦

C、乌克兰

D、塔吉克斯坦

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