【名词&注释】
通透性(permeability)、细胞内(intracellular)、重要途径(important way)、抽象思维(abstract thinking)、关系密切、共产党人(communists)、缩窄性心包炎(constrictive pericarditis)、做好事(perform good deeds)、自然而然、人生在世
[单选题]毛泽东在哪部著作中明确提出了新民主主义的三大经济纲领
A. 《(共产党人)发刊词》
B. 《新民主主义论》
C. 《论政策》
D. 《目前形势和我们的任务》
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._________
根据以下选项,回答下面的题目:A.舒张期隆隆样杂音B.S2固定分裂 C.S2递分裂D.心包叩击音E.S2通常分裂 缩窄性心包炎(constrictive pericarditis)( )