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短文填空(10分) 从方框中选词并用其适当形式填空, 完成短文。 help, chore, do, cook, delicious, clean, work, sweep, rubbish, too Hello, I’m a 13-year-old boy. I hate to do 1________. But sometimes I help to 2________ the floor and take out the 3________ . My father hates to do chores, 4________ . But sometimes my mother asks him 5________ the dishes. He sometimes 6________ , but I don’t like the food he makes. I don’t think it’s 7________ . In my family, my mother does most of the chores. She cooks. She washes the clothes. She 8________ the rooms. And she often 9________ in the garden. My mother is busy every day. I think I should 10________ her with housework often from now on.
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【多选题】下列关于硫酸饰法的说法正确的是()
A.
硫酸在酸性溶液中是强氧化剂,能用高锰酸钾测定的物质,一股也能用硫酸铺法测定
B.
硫酸铈自身可作为指示剂(Ce4+黄色,Ce3+无色),灵敏度高于高锰酸钾法
C.
硫酸铸可在盐酸介质中直接滴定Fe2+,C1-无影响
D.
硫酸铈的基本单元为Ce(SO4)2
【多选题】下列关于硫酸铈法的说法正确的是()。
A.
硫酸铈在酸性溶液中是强氧化剂,能用高锰酸钾测定的物质,一般也能用硫酸铈法测定
B.
硫酸铈自身可作为指示剂(Ce4+黄色,Ce3+无色),灵敏度高于高锰酸钾法
C.
硫酸铈可在盐酸介质中直接滴定Fe2+,Cl-物影响
D.
硫酸铈的基本单元为Ce(SO4)2
【单选题】Suzanne Matthews tells the nurse she ’ s worried she might be subfertile because both breast development and her first menstrual period occurred later than most of her friends. To increase her self-es...
A.
Adrenarche, the development of breasts, typically occurs before the first menstrual period.
B.
Breast development, termed mamarche, is not fully complete until about age 25 years.
C.
The time for development of breasts varies a great deal and is termed thelarche.
D.
Menarche, the term for breast development, typically occurs before 12 years of age.
E.
all above
【单选题】What occurred to TV bosses around the globe after the success of the first series of Survivor?
A.
That people want to experience what life is like in fareway places.
B.
That people might be interested in learning how to survive in a remote place.
C.
That viewers enjoy watching other people in difficult or embarrassing situations.
D.
That viewers may like to see how people strive for survival in a wild environment.
【单选题】不规则显性中,表现度不同与( )相关
A.
位点异质性
B.
基因多效性
C.
遗传背景
D.
限性遗传
【单选题】One of the first problems Kennedy inherited from his predecessor was the trouble with Cuba. What is the name of the failed invasion mission that occurred in 1961?
A.
The Cuban Missile Cr
B.
The Bay of Pigs
C.
The Berlin Invasion
D.
World War 2
【单选题】关于期货交易手续费,下列说法不正确的是()。
A.
交易手续费是期货交易所按成约金额的一定比例或按成约手数收取的费用
B.
不同的期货交易所有不同的规定
C.
由中国证监会统一规定
D.
交易手续费过高,可起到抑制过度投资的作用
【多选题】下列关于硫酸铈法的说法正确的是( )。
A.
硫酸铈在酸性溶液中是强氧化剂,能用高锰酸钾测定的物质,一般也能用硫酸铈法测定
B.
酸铈自身可作为指示剂(Ce4+黄色Ce3+无色)灵敏度高于高锰酸钾法
C.
硫酸铈可在盐酸介质中直接滴定Fe2+, Cl-无影响
D.
硫酸铈的基本单元为Ce(SO4)2
【判断题】( )检查连杆弯曲与扭曲的方法是:用三点规骑在标准活塞销上并推靠平板;用厚薄规测量三点规两个测点与平板间隙;计算弯曲、扭曲值并判断是否矫正。 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
正确
B.
错误
【多选题】下列关于硫酸铈法的说法正确的是()。
A.
硫酸是在酸性溶液中是强氧化剂,能够用高锰酸钾测定的物质,一般也能用硫酸铈法测定
B.
硫酸是自身可作为指示剂(Ce4+黄色,Ce3+无色),灵敏度高于高锰酸钾法
C.
硫酸铈法可在盐酸介质中直接滴定Fe2+,Cl-无影响
D.
硫酸铈的基本单元为Ce(SO4)2
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