下列化合物不能由酪氨酸合成的是() A.甲状腺素 B.苯丙氨酸 C.肾上腺素 D.黑

题型:单项选择题 A1型题

问题:

下列化合物不能由酪氨酸合成的是()

A.甲状腺素

B.苯丙氨酸

C.肾上腺素

D.黑色素

E.多巴胺

考点:病理学技术(主管技师)生物化学生物化学题库
题型:单项选择题 A1型题

阅读理解。

     American schools begin in September after a long summer vacation (假期). There are two terms in a

school year: the first term is from September to January, and the second is from February to June. Most

American children go to public schools (公立学校). High school students take only four or five subjects

at a time. They usually go to the same classes every day, and they have an assignment for every class.

After class they have many activities. After high school, many students go to college.

1. Most American children start school life in _______.

A. September  

B. February  

C. June  

D. January

2. How many vacations do American children have each year?

A. One.    

B. Two.        

C. Three.  

D. Four.

3. Students in the high school have _______ subjects at a time.

A. four    

B. five    

C. six    

D. four or five

4. Which of the following is false (错误)?

A. In July students don't need to go to school because of vacation.

B. Students have the same classes every day.

C. Students don't have homework for every class.

D. Most American children go to public schools.

5. After class students _______.

A. do homework  

B. go back home  

C. have many activities  

D. go to movies

题型:单项选择题 A1型题

再沸器的升温速度应该小于()。

A、10℃/h

B、20℃/h

C、25℃/h

D、50℃/h

题型:单项选择题 A1型题

患者,女,44岁,已婚,幼师,2002年2月14日初诊,末次月经1月27日,初起量少,近4天量多如注,有血块,色鲜红。上次月经1月10日,量中等, 10天干净。近2年来,月经很难按期来潮。现 * * 流血19天,头晕口干腰酸,午后颧红,大便干结,尿少色黄,舌红苔少,脉细数。现有一16岁孩子,自然流产一次,人流一次,放置节育环。本周前曾在外院诊治,妇科检查:外阴已产式,宫颈糜烂Ⅰ°,宫体前位,大小正常,附件(-)。B超无异常。给宫血宁治疗。1年前曾行诊刮术并取环,病理示:子宫内膜简单型增生过长,未经治疗。 要求写出:整理成一份符合规范的门诊病历,诊断 (中医、西医),辨证。

题型:单项选择题 A1型题

推进综合执法,大幅减少市县两级政府执法队伍种类,重点在哪些领域内推行综合执法,并在有条件的领域可以推行跨部门综合执法?

题型:单项选择题 A1型题

关于精馏塔的物料衡算,下列式子表达正确的是()。

A、F;D;W

B、FxF;DxD;WxW

C、F;D;W

D、FxF;DxD;WxW

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