由涉水产品带入饮用水中的有害物质无依据可确定容许限值时,需进行() A.流行病学调查

题型:单项选择题 A1型题

问题:

由涉水产品带入饮用水中的有害物质无依据可确定容许限值时,需进行()

A.流行病学调查

B.毒理学试验

C.浸泡试验

D.致畸试验

E.致癌试验

考点:职业卫生主治医师环境卫生(专业知识)环境卫生(专业知识)题库
题型:单项选择题 A1型题

J&M Music Store
• Rock, pop and country music
• Buy CDs new or used
• Listen before you buy
• Guitar lessons offered
Peth Market
• Fresh fruit and vegetables
• Open Friday to Sunday mornings
• Free ice cream for children under 12
Times Coffee Shop
• The best coffee in town
• Sandwiches, cakes, pies
•Open 10:00a.m.—11:00 p.m. daily
•Jazz music(0: Wednesday to Sunday
Macon's B&B
• Feel like home when you're away from
• We have different kinds of rooms
• Delicious homemade breakfast
 
小题1:You can________ at J&M Music Store.
A.receive guitar lessons B.borrow new or used CDs
C.learn pop music history D.buy all kinds of music books
小题2:You can go to TImes Coffee Shop to have coffee and pies at_______.
A.8:30 a.m.B.9:30 a.m. C.10:30 p.m. D.11:30 p.m.
小题3: If your friend is coming for a visit, where will he stay for a night?
A. In J&M Music Store.
B. In Peth Market.
C. At Times Coffee Shop.
D. At Macon's B&B.
小题4:Which of the following is TRUE according to the passage?
A.There is no breakfast at Macon's B&
B.You can't listen to the CD before you buy it.
C.Times Coffee Shop offers ism music every day.
D.Kids under 12 can get free ice cream in Peth Market
小题5:Where is the passage probably from?
A.A dictionary. B.A newspaper.
C.A story book. D.A science report.
题型:单项选择题 A1型题

全口义齿排牙时,平面前部的上下定位主要决定因素是()

A.唇的长短

B.前牙的美观

C.牙槽嵴的丰满度

D.牙弓的形态

E.软组织的吸收程度

题型:单项选择题 A1型题

He doesn't like reading, _____.[ ]

A. neither can't I

B. nor can I

C. nor do I

D. neither I can

题型:单项选择题 A1型题

随麻醉加深中潜伏期诱发电位可发生什么变化()

A.波幅降低、潜伏期不变

B.波幅增高、潜伏期不变

C.波幅增高、潜伏期延长

D.波幅降低、潜伏期延长

E.波幅不变、潜伏期延长

题型:单项选择题 A1型题

保险合同存续期间,由于某种原因使保险合同的效力暂时失去,称为()。

A.保险合同的中止

B.保险合同的终止

C.保险合同的解除

D.保险合同的变更

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