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【单选题】
非典型苯丙酮尿症是由于下列哪种物质缺乏所致
A.
酪氨酸
B.
苯丙氨酸
C.
鸟磷酸环化水合酶
D.
四氢生物蝶呤
E.
谷氨酸脱羧酶
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参考答案：
举一反三
【单选题】脱轨系指机车车辆的车轮落下轨面（包括脱轨后又自行复轨），或车轮（）顶部高于轨面（因作业需要的除外）
A.
轮辋
B.
轮缘
C.
辐板
D.
轮毂
查看完整题目与答案
【单选题】脱轨是指机车车辆的车轮落下轨面(包括脱轨之后又自行复轨)或车轮轮缘顶部()轨面(因作业除外)。
A.
落下
B.
爬上
C.
低于
D.
高于
查看完整题目与答案
【判断题】机车、车辆、动车、重型轨道车（包括拖车）的车轮落下轨面（包括脱轨后又自行复轨）的就是脱轨事故。
A.
正确
B.
错误
查看完整题目与答案
【判断题】JPA的save接口,只能用做新增,不可用于修改。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Would you please buy some paper on your way to the office? There______left.
A.
aren't many
B.
are very few
C.
isn't much
查看完整题目与答案
【单选题】各力作用线在同一平面内且汇交于一点的力系称为( )。
A.
平面汇交力系
B.
平面平行力系
C.
平面力偶系
D.
平面任意力系
查看完整题目与答案
【判断题】脱轨指机车车辆的车轮落下轨面（包括脱轨后又自行复轨），或车轮轮缘顶部高于轨面（因作业需要的除外）。
A.
正确
B.
错误
查看完整题目与答案
【多选题】Please read the following sentences and tick the functions of a cover letter according to your understanding.
A.
A cover letter introduces you and your resume to an employer.
B.
A cover letter is as important as a resume.
C.
A cover letter demonstrates your writing skills.
D.
A cover letter can be sent to all employers.
E.
A cover letter gives factual information and details about your career so far.
查看完整题目与答案
【简答题】You may open your electronic mail and find information about how to buy medicine, cheap airline tickets, books and, of course, computers and computer products．There may also be offers for investment d...
查看完整题目与答案
【单选题】Reading the following passage and tick your answer 1 . what does Buy Nothing Day mean?
A.
It's a special day when people are encouraged not to buy anything.
B.
On that day, shops are all closed , so you can't buy anything.
C.
On that day, shops are soo crowded that you can't get what you want.
查看完整题目与答案
相关题目：
【单选题】脱轨系指机车车辆的车轮落下轨面（包括脱轨后又自行复轨），或车轮（）顶部高于轨面（因作业需要的除外）
A.
轮辋
B.
轮缘
C.
辐板
D.
轮毂
查看完整题目与答案
【单选题】脱轨是指机车车辆的车轮落下轨面(包括脱轨之后又自行复轨)或车轮轮缘顶部()轨面(因作业除外)。
A.
落下
B.
爬上
C.
低于
D.
高于
查看完整题目与答案
【判断题】机车、车辆、动车、重型轨道车（包括拖车）的车轮落下轨面（包括脱轨后又自行复轨）的就是脱轨事故。
A.
正确
B.
错误
查看完整题目与答案
【判断题】JPA的save接口,只能用做新增,不可用于修改。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Would you please buy some paper on your way to the office? There______left.
A.
aren't many
B.
are very few
C.
isn't much
查看完整题目与答案
【单选题】各力作用线在同一平面内且汇交于一点的力系称为( )。
A.
平面汇交力系
B.
平面平行力系
C.
平面力偶系
D.
平面任意力系
查看完整题目与答案
【判断题】脱轨指机车车辆的车轮落下轨面（包括脱轨后又自行复轨），或车轮轮缘顶部高于轨面（因作业需要的除外）。
A.
正确
B.
错误
查看完整题目与答案
【多选题】Please read the following sentences and tick the functions of a cover letter according to your understanding.
A.
A cover letter introduces you and your resume to an employer.
B.
A cover letter is as important as a resume.
C.
A cover letter demonstrates your writing skills.
D.
A cover letter can be sent to all employers.
E.
A cover letter gives factual information and details about your career so far.
查看完整题目与答案
【简答题】You may open your electronic mail and find information about how to buy medicine, cheap airline tickets, books and, of course, computers and computer products．There may also be offers for investment d...
查看完整题目与答案
【单选题】Reading the following passage and tick your answer 1 . what does Buy Nothing Day mean?
A.
It's a special day when people are encouraged not to buy anything.
B.
On that day, shops are all closed , so you can't buy anything.
C.
On that day, shops are soo crowded that you can't get what you want.
查看完整题目与答案
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