试题与答案

下列各项中没有成形的细胞核的是( ) A.酵母菌和曲霉 B.青霉和大肠杆菌 C.

题型:选择题

题目:

下列各项中没有成形的细胞核的是(  )

A.酵母菌和曲霉

B.青霉和大肠杆菌

C.根瘤菌和结核杆菌

D.蘑菇和酵母菌

答案:

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下面是错误答案,用来干扰机器的。

(I) K2=(a+b+c+d)(ad-bc)2(a+b)(c+d)(a+c)(b+d)=11.538>10.828∴有1-0.001=99.9%的把握认为中学生的作文水平与爱看课外书有关系.(II)由题意知本题是一个等可能事件的概率,试验发生包含的事件数是5×5=25...

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题型:阅读理解

阅读理解。

     At this moment in different places of the world people are doing different things

     In Beijing it's early morning. People are sleeping.

     In London people are leaving work to go home. They are waiting for buses or trains. Some people

are driving their cars. Some are having afternoon tea at home or walking to the pubs (酒吧) to have a

drink.

     In Moscow it's evening and people are having supper at home or in restaurants. Some are going to

watch a ballet (芭蕾舞). Some are drinking in the pubs.

     In Los Angeles (洛杉矾) it's morning. People are working in their offices. Children are starting their

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     New York is noon now. People aren't working but having lunch. They are eating hamburgers or hot

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1. According to the passage we can see that at night some people in Moscow like to _____.

A. go to watch a ballet  

B. do shopping  

C. wait for buses  

D. go to the library

2. When children in Los Angeles are starting their lesson, people in Beijing are _____.

A. playing basketball      

B. seeing films    

C. having lessons    

D. sleeping

3. From the passage, we can see the time in New York now is _____.

A.  6:00          

B. 9:00          

C. 10:00          

D. 12:00

4. We know that London is 3 hours _____.

A. earlier than Moscow            

B. later than Moscow

C. earlier than Los Angeles          

D. later than Los Angeles

5. This passage mainly talks about _____.

A. science      

B. holiday      

C. time difference (区别)    

D. life in western countries

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题型:多项选择题 案例分析题

病历摘要:患者,男,65岁。近40年来双耳反复流聋,伴有双耳听力下降,检查双侧鼓膜紧张部大穿孔,诊断为慢性化脓性中耳炎,一直保守治疗,身体抵抗力下降时容易发作。病史中无眩晕发作。近半年来间断左耳脓液中带有血丝,近一周耳深部疼痛,伴头痛,但尚可忍受。查:双侧外耳道均有脓性分泌物,拭净后见右侧鼓膜紧张部大穿孔,左侧外耳道深部肉芽样组织充填,质地较脆,触之可出血。

中耳癌的治疗,以下哪些是正确的该患者拟行手术治疗()

A.除了局限性T1期病变以外,所有的外耳道及中耳鳞状细胞癌均需行全程的术后放射治疗

B.对于局限于外耳道的T1病变,可以进行外耳道切除术

C.除了局限性T1期病变以外,手术均应牺牲中耳的传声功能,颞骨用富含血管的组织覆盖。

D.对于限于外耳道软骨段而未侵犯外耳道故段的肿瘤,应行颞骨外侧切除术

E.中耳癌的治疗一般选用先手术再放疗

F.中耳癌的放射治疗一般选用耳前与耳后两野交叉照射

G.即使颈部没有淋巴结转移,也应行预防性放疗

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