在△ABC中,若b=1,c=3,∠C=2π3,则S△ABC=______.

题型:填空题

问题:

在△ABC中,若b=1,c=
3
∠C=
3
,则S△ABC=______.
考点:正弦定理
题型:填空题

-1不是(  )

A.自然数

B.负数

C.整数

D.有理数

题型:填空题

下列水产品中属于鱼的是(    )

A.甲鱼、章鱼

B.海马、鲟鱼

C.虾、墨鱼

D.海葵、鲍鱼

题型:填空题

阅读下面的文字,完成问题。

陌上桑

  日出东南隅,照我秦氏楼。秦氏有好女,自名为罗敷。罗敷喜蚕桑,采桑城南隅。青丝为笼系,桂枝为笼钩。头上倭堕髻,耳中明月珠。湘绮为下裙,紫绮为上襦。行者见罗敷,下担捋髭鬃。少年见罗敷,脱帽著悄头。耕者忘其犁,锄者忘其锄。来归相怨怒,但坐观罗敷。

  使君从南来,五马立踟蹰。使君遣吏往,问是谁家姝?“秦氏有好女,自名为罗敷。”“罗敷年几何?”“二十尚不足,十五颇有余。”使君谢罗敷:“宁可共载不?”

  罗敷前置辞:“使君一何愚!使君自有妇,罗敷自有夫。东方千余骑,夫婿居上头。何用识夫婿?白马从骊驹;青丝系马尾,黄金络马头;腰中鹿卢剑,可值千万余。十五府小吏,二十朝大夫,三十侍中郎,四十专城居。为人洁白晰,巢巢颇有鬃;盈盈公府步,冉冉府中趋。坐中数千人,皆言夫婿殊。”

1.对画线句子的翻译,最恰当的一项是(     )

A.用什么办法做我丈夫的标志呢?骑白马走在前,身后跟着小黑马。

B.根据什么标志认出我丈夫?骑着白马紧紧跟随着一匹小黑马。

C.用什么来作为我丈夫的标志呢?让他骑一匹白马跟随一匹小黑马。

D.根据什么辨认出我的丈夫呢?骑着白马走在前,小黑马驹跟在后。

2.本文为什么要以“陌上桑”为题?可否换成“秦家女”或“罗敷严词拒太守”?

________________________________________________

3.文中没有直接描写罗敷的美貌,而是用了侧面描写的方法,说说这样写的好处。

________________________________________________

4.简要分析本诗的主要内容和艺术手法。

________________________________________________

题型:填空题

根据句意、中文提示写出单词,完成句子。(15分)

小题1:Can you spend some time              (解释)the project to us in detail?

小题2:You can ask Tom for help when you have difficulty making a         (决定).

小题3:If you want your dog to be happy.You should           (匀出)at least half an hour to play with it every day.

小题4:Can you see any            (蝴蝶)among the flowers?

小题5:Our teachers are very good.They always make their classes        (活泼的)and interesting.

小题6:Jack is very busy.Has he          (回答)to your last e-mail?

小题7:Our English teacher often            (划分)us into groups of four to organize class activities.

小题8:—Who __________(发现)America?  —Columbus.

小题9:What an          (patient)boy Eric is ! He only waited for ten minutes and he was very angry.

小题10:Millie is always             (satisfy) with a small success.

小题11:It’s not good for you to stay alone sadly.You need someone to share your____(happy).

小题12: Kitty doesn’t know what to do next, so she has no       (choose)but to call her friend, Lily for help.

小题13:I don’t think their suggestions are            (value)to us.

小题14:Don’t keep your worries to         (you) , Jim and Tom.

小题15:The project was finished          (success) on time by them.

题型:填空题

从麻醉的观点来看,甲状腺功能亢进最危险的并发症是()

A.动脉硬化

B.心动过速

C.血压升高

D.肌肉无力

E.心功能代偿不全

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