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不定项选择

如果两组分的分配系数(K)或容量因子(k)不相等，两组分一定能在色谱柱中分离。

A．错误
B．正确
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单项选择题
A house is the most expensive thing most people will ever buy. Very few people have enough money of their own to buy a home, so they have to borrow money from a bank. Borrowing money from a bank to buy a house is called “take a mortgage（抵押）”. The bank usually lends money or gives a mortgage for twenty-five years. Houses are so expensive that many people nowadays have to borrow as much as $50 000. In other words they will have a $50 000 mortgage.
How can you get a mortgage? When you find a house you like, you go to a bank. The bank will research you financial（金融的）history and decide if they think you are a good risk. They will want to know what kind of job you have, what kind of salary you make, and how long you have had the job. They will also want to know how much money you have. In addition, the banks will require a down payment. Depending on which state you live in, the bank may require as much as 30% of the price of the house as a down payment, The bank will then lend you the rest of the money to buy the house. Many people are never able to buy a house because they cannot save enough money for the down payment.
If American people borrow money from the bank for 25 years, this means that the person who borrows ____.（　　
A.hastwenty-fiveyearstopaybackthemoney
B.hasmorethantwenty-fiveyearstopaybackthemoney
C.haslessthantwenty-fiveyearstopaybackthemoney
D.hasabouttwenty-fiveyearstopaybackthemoney
单项选择题
共用题干
苏某（男）的父亲于1975年逝世，留有遗产为房屋(A)一处，由苏某继承，但是直到1977年才取得房产证。1976年苏某与秦某（女）结婚，两人结婚时苏某的姑父送给贺礼2千元，婚后育有一子苏鹏（化名）和一女苏琳（化名）。两人于1985年1月购买房产一处(B)并对房屋(A)进行了修缮。1986年1月，苏某因从部队专业，获得转业费10万元。秦某是一名业余作家，创作了多部小说，1989年3月，她与一家出版社签订出版合同，其中在1989年4月支付小说（甲）的版税5万元，而小说（乙）的版税6万元直到1990年2月才支付。两人因感情不和于1990年1月离婚，于是苏鹏跟随父亲生活，而苏琳跟随秦某生活，离婚后秦某获得房屋B，但给予了苏某相应的补偿。刘某（女）由于丧偶，其夫留有房屋(C)一处。1992年1月苏某与刘某再婚，刘某再婚时刘某的女儿王华（女，化名）已经结婚，并与刘某分开居住。而苏鹏跟随苏某和刘某居住，刘某于1993年1月收养了苏鹏。苏鹏的生母秦某于2006年1月遭遇不幸，不幸逝世，留有遗产：房屋B，存款10万元。2007年1月刘某遭遇车祸，不幸逝世。留有遗产为房屋(C)，存款10万元。根据案例回答下列问题。
A.夫妻双方具有合法身份
B.约定可以采用口头方式
C.约定内容必须合法
D.约定是双方真实意思表示
单项选择题
A house is the most expensive thing most people will ever buy. Very few people have enough money of their own to buy a home, so they have to borrow money from a bank. Borrowing money from a bank to buy a house is called “take a mortgage（抵押）”. The bank usually lends money or gives a mortgage for twenty-five years. Houses are so expensive that many people nowadays have to borrow as much as $50 000. In other words they will have a $50 000 mortgage.
How can you get a mortgage? When you find a house you like, you go to a bank. The bank will research you financial（金融的）history and decide if they think you are a good risk. They will want to know what kind of job you have, what kind of salary you make, and how long you have had the job. They will also want to know how much money you have. In addition, the banks will require a down payment. Depending on which state you live in, the bank may require as much as 30% of the price of the house as a down payment, The bank will then lend you the rest of the money to buy the house. Many people are never able to buy a house because they cannot save enough money for the down payment.
What does a house mean in the United States? （　　
A.Itisadreamwhichmanypeoplecanhardlyrealize
B.Itissoexpensivethatmanypeoplecannotreallybuythem
C.Itisthemostimportantpropertythatmanypeopletrytobuy
D.Itdoesn’tbelongtopeopleiftheycan’tborrowmoneyfromthebank
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