(8分)对-甲基苯甲酸乙酯(F)是有机化工原料,用于合成药物的中间体,某兴趣小组

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问题:

(8分)对-甲基苯甲酸乙酯(F)是有机化工原料,用于合成药物的中间体,某兴趣小组利用中学的简单有机物进行合成,其方案如下:

(1)A的结构简式是           ,E中含有的官能团名称是                

(2)指出化学反应类型:①           ;②              

(3)丁子香酚()是一种重要的调味剂,它与F的关系是            

a.同系物    b.同分异构体        c.同种物质

(4)下列物质不能与丁子香酚发生反应的是           

a.NaOH溶液         b.NaHCO3溶液            c.Br2的四氯化碳溶液          d.乙醇

(5)写出反应③的化学方程式:                                 

考点:苯酚酚的通性
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完成对话。

N= Nicola   A= Annie

N: Hi, Annie. Did you have a good holiday?

A: Oh, yeah, I had a great (1)t ______ . But I've to tell you --- the most amazing thing happened.

N: (2) R_____? What was that?

A: Well, I was swimming in the sea and a huge wave came along and (3)k _____ my sunglasses into

the water. I …

N: Why were you swimming in the sunglasses?

A: Oh, I don't know. I'd just (4)l _____ them on top of my head. I'd forgotten they were there. Anyway,

they were (5)g_____. I was very upset. You know they were quite expensive.

N: I remember - (6)n _____ 100 pounds.

A: Yeah. Anyway, the next day I was lying on the beach, sunbathing. Then suddenly another huge wave…

N: Are you (7)s _____ this was a good holiday?

A: Yeah-but listen! When I looked down, there on the sand, (8)r ___ next to me , were my sunglasses.

I couldn't (9)b___ my eyes!

N: You're (10)j ____ ! That is amazing!

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47岁,男,腹泻、体重下降,伴有重症肌无力,请结合胸片和CT图,选择最可能的诊断()

A.胸腺增生

B.胸腺瘤

C.淋巴瘤

D.纵隔血肿

E.错构瘤

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2007年黑龙江省全年完成邮电业务总量512.7亿元,比上年增长28.1%。其中,电信业务总量483.5亿元,增长29.4%;邮政业务总量29.2亿元,增长9.8%。年末全省长途光缆线路总长度42567公里;局用交换机总容量1004.9万门。年末固定电话用户1112.2万户,增长2.8%,其中城市837.7万户,增长4%、农村274.5万户,下降0.6%;移动电话用户1449.2万户,增长14.4%。全省电话普及率为67.1%,比上年提高5.6个百分点。国际互联网络用户299万户(包括拨号、专线和宽带接入用户),增长4.9%,其中宽带接入户209.2万户,增长18.8%。

下列对2007年末固定电话用户增长情况说法错误的有()

Ⅰ.全省增长量约为30.3万户Ⅱ.城市增长量约为32.2万户

Ⅲ.农村增长量约为1.9万户Ⅳ.全省增长量约为34.1万户

A.Ⅰ

B.ⅠⅡ

C.ⅡⅣ

D.ⅡⅢⅣ

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当外力去掉后,弯曲件产生回弹的原因是因为弯曲时板料(),所以产生回弹。

A、内表面受拉外表面受压

B、外表面受受压

C、内表面受拉

D、外表面受拉内表面受压

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网络媒体分账的广告模式是由()创立起来的。

A、聚美优品

B、唯品会

C、凡客诚品

D、乐蜂网

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