名词解释：HLA的表型（phenotype）

题型：选择题

用20mL2mol/L的H₂SO₄溶液与20mL3mol/L的Na₂CO₃溶液反应来制取CO₂，欲制得最多的

CO₂，则下列操作正确的是[ ]

A.把20mL Na₂CO₃溶液缓缓滴加到20mL H₂SO₄溶液中

B.把20mL H₂SO₄溶液缓缓滴加到20mL Na₂CO₃溶液中

C.把两种溶液快速混合并不断搅拌

D.把两种溶液缓慢混合并不断搅拌

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题型：单项选择题

近来，信用卡公司遭到了很多顾客的指责，他们认为信用卡公司向他们的透支部分所收取的利息率太高了。事实上，信用卡公司收取的利率只比普通的银行给个人贷款的利率高两个百分点。但是，顾客忽视了信用卡给他们带来的便利，比如，他们可以在货物削价时及时购物。
上文是以下列哪个选项作为前提的

A．购物折扣省下来的钱至少可以弥补以信用卡付款超出普通银行个人贷款利率的那部分花费。
B．信用卡的申请人除非有长期的拖欠历史或其他信用问题，否则申请很容易批准。
C．消费者在削价时购买的货物价格并不很低，无法使消费者抵消高利率成本，并有适当盈利。
D．那些用信用卡付款买削价货物的消费者可能不具有在银行以低息获得贷款的资格。
E．信用卡使用者所能透支的总量是有限制的，因此，其支付的利息也是有限的。

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题型：填空题

Research studies show that there are some fundamental (1) between men and women in their attitudes to (2) matters. Women are far more likely to save for their children’s (3) and to save up to buy a (4) . Men tend to save for a (5) , and for their (6) . But in fact the need for women to save for their old age is far (7) than for men. Throughout the world, women are likely to live many years (8) than men. Furthermore it is the (9) women who will most often have to look after the children and thus they need more (10) to look after not just themselves but others. Women today need to look ahead, think ahead, not wait until they’re under (11) .
A number of (12) have been set up to help them do this. Some educational institutions offer night (13) in Money (14) . They can be given (15) on different ways of saving. It is usually advised that at least (16) of a person’s savings should be in low-risk investments but for the rest, (17) advisors often advise taking some (18) risks. Initiatives such as this can give women the economic (19) and knowledge they need for a comfortable, (20) retirement.