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Match the words underlined with their definitions.A. (n.) important parts or aspects of somethingB. (adv.) by means of electronic equipment such as a computerC. (v.) to be different in different situationsD. (adj.) being the only one of a kind, unlike anything elseE. (v.) to make someone believe something that is not trueF. (n.) two or more different things used togetherG. (adj.) complete or totalH. (adj.) as much as is needed_______ 1. The man's face was recorded electronically and then used to confirm his identity._______ 2. The student got a passport because his student card wasn't sufficient forinternational travel._______ 3. Each person's fingerprints are unique._______ 4. The woman's hair color and eye color, along with other physical features, made iteasy to identify her._______ 5.To identify the man, the police used a combination of information from a photoand a hair sample._______ 6.Driver's licenses vary from country to country._______ 7.He pretendedthat everything was fine._______ 8.The woman couldn't say with absolute certainty that she recognized the man inthe photo.

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Complete the sentences with the words in the box. Change the form if necessaryabsolutecombinationelectronicallyfeaturepretendsufficientuniquevary1. China's __________ development model has successfully set the country on the path to its rejuvenation.2. The flowers in the botanical garden __________ in color and size.3. Sleep data was collected ____________ from the individuals through wrist monitors.4. The information you provided was not __________. Please include your address and date of birth.5. It's against the law to __________ you are someone that you are not.6. The scientist used a __________ of tests to prove his theory.7. The man said to the police, “That's __________ true.”8. One's face and fingerprints are __________ that can be used to identify the person.

在两部门经济中,均衡发生在( )之时。

A. 实际储蓄等于实际投资
B. 实际消费+实际投资等于产出
C. 计划储蓄等于计划投资
D. 总投资等于企业部门的收入

在二部门经济中,若现期GDP水平为5000亿,消费者希望从中支出3900亿消费,计划投资支出总额为1200亿,这些数据表明()。

A. GDP不在均衡水平上,将下降
B. GDP不在均衡水平上,将上升
C. GDP在均衡水平
D. 不确定

边际消费倾向和边际储蓄倾向之和等于1,这是因为

A. 任何两个边际量相加总是等于1
B. MPC和MPS都是直线
C. 国民收入的每一元不是用于消费就是用于储蓄
D. 经济中的投资水平不变

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