下列关于良性肿瘤特点的叙述，正确的是（　　）

【名词&注释】

良性肿瘤(benign tumor)、否定词(negative words)

[多选题]下列关于良性肿瘤特点的叙述，正确的是（　　）

A. 呈膨胀性扩展
B. 肿瘤边界清楚
C. 细胞形态变异较小
D. 不危及生命
E. 晚期可发生转移

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学习资料：

[单选题]Nowhere else in the world________ more friendly people than in this small town．

A. you might find
B. you will find
C. can you find
D. should you find

[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. result from
B. make
C. take
D. result in

[单选题]__________

根据以下内容，回答下面的题目。Investors can _51_ money simply by loaning it．The money they loan is called capital．Security (担保) is an expensive item which the borrower mortgages (抵押) to the investor to show that he intends to _52_ the debt．The way investors make money on loans is to charge interest．Interest is money that _53_ pay to investors for the use of their money．Interest is usually a certain percentage of the capital．Investors sometimes _54 ten percent or more interest per year．The interest may be calculated daily, monthly, or yearly．The interest must be _55_ before the capital can be repaid．If the interest is not _56_ the agreed rate, the interest is added _57_ the capital．Then the borrower has _58_ pay interest on the unpaid interest _59_ on the capital．A debt can grow quickly this way．If the total of the capital and accumulated interest gets too high, the investor will take _60_ of the item used as security and sell it to get his money back．__________

A. borrowers
B. lenders
C. peoples
D. others

[单选题]根据以下选项，回答{TSE}题：A．脐水平以上静脉血流向上，脐以下血流向下 B．脐水平以上静脉血流向下，脐以下血流向上C．腹壁静脉血流全部向上 D．腹壁静脉血流全部向下 E．以脐为中心血流向四周 {TS}上腔静脉阻塞时，腹壁静脉血流方向为（　　）

A. D

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