It is a small country, yet has a lot of________ resources．

【名词&注释】

雌激素(estrogen)、黄体生成素(luteinizing hormone)、不可知的(incognizable)、无限制

[单选题]It is a small country, yet has a lot of________ resources．

A. potential
B. unknown
C. secret
D. unlimited

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学习资料：

[单选题]李煜是一个（　　）

A. 唐代词人
B. 南宋词人
C. 五代词人
D. 北宋词人

[单选题]_________

根据以下内容，回答下面的题目。Insure means to protect _51_ a loss of money．Most people can budget their money so that their income will cover expected expenses _52_ food, clothing, housing, and public services．But, there is no way to know _53_ who will suffer a crisis (危机) such as a serious illness, fire, flood, or a car accident．Such crises usually _54_ great expense．Even if people could predict crises, it would be hard to save enough money to _55_ the expenses．Insurance is a system _56_ a company collects money from many individuals and then pays certain expenses whenever one of those insured individuals is faced with a certain crisis．An insurance policy _57_ how much the insurance costs and how much the company will pay when a policy holder is faced with a certain crisis．There are many different kinds of insurance, _58_ hospital, motor-car and fire．Insurance can be rather expensive but most people buy insurance of some kinD．Insurance is something _59_ people buy and hope they will _60_ need．_________

A. cover
B. pay back
C. fill
D. make full

[单选题]在心室等容收缩期时 （　　）

A. 房内压>室内压>主动脉压
B. 房内压<室内压>主动脉压
C. 房内压=室内压>主动脉压
D. 房内压<室内压<主动脉压
E. 房内压>室内压<主动脉压

[单选题]女性正常排卵的黄体（　　）

A. 分泌孕酮
B. 分泌雌激素
C. 分泌黄体生成素
D. 分泌孕酮及雌激素
E. 分泌孕酮、雌激素和黄体生成素

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