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【单选题】
三尖瓣附于( )
A.
右房室口
B.
C.
主动脉口
D.
肺动脉口
E.
左房室口
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参考答案:
举一反三
【单选题】设计蜗杆传动时,通常选择蜗轮材料为( ),以减小摩擦力。
A.
B.
铸铁
C.
青铜
D.
非金属材料
【多选题】要全面落实天然林保护责任,着力建立( )的天然林保护修复制度体系,维护天然林生态系统的原真性、完整性,促进人与自然和谐共生。
A.
全面保护
B.
系统恢复
C.
用途管控
D.
权责明确
【单选题】. Your luggage will be ___ by the lorry from the airport to your hotel.
A.
brought
B.
conveyed
C.
transmitted
D.
fetched
【多选题】If you lost your luggage, what should you do?
A.
find the luggage claim area
B.
find the luggage on the carousel
C.
ask the clerk for help
D.
go to the luggage service for help
【简答题】自粘胶粘纸,宽6厘米,成卷
【多选题】Packing Your Luggage includes the following tips___.
A.
Pack travel-sized toiletries for essential items.
B.
Gather your luggage and everything you want to pack in 1 place.
C.
Roll your clothes to save space.
D.
Download electronic versions of books and magazines to save space.
E.
Keep a small bag of essential items at hand if you are flying.
【单选题】— What are your rules for carry-on luggage, Madam? — You ______ only one piece of luggage on the plane, Sir. [     ]
A.
allow
B.
allowed
C.
are allowed
D.
were allowed
【单选题】Your luggage is well underweight.你的行李没超重 01010012
A.
Your luggage must be weighed .
B.
Your baggage is overweight.
C.
Your luggage freight is paid .
D.
Your baggage isn’t overweight at all.
【判断题】人的因素是影响商品质量的内在因素。
A.
正确
B.
错误
【判断题】赵教授讲到的快课技术一共有3种。
A.
正确
B.
错误
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