He seems_______ from this university．

【名词&注释】

主动脉(aorta)、化学变化(chemical change)、二尖瓣(mitral)、右心室(right ventricle)、就是了

[单选题]He seems_______ from this university．

A. graduating
B. beinggraduated
C. to graduate
D. to havegraduated

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学习资料：

[单选题]设a={-1，1，2)，b={3，0，4}，则向量a在向量b上的投影为

A. B

[单选题]The author tends to think that the fifth level________

回答下面的题目Human needs seem endless．They might be regarded as making up several levels．When there is　enough money to satisfy one level of needs, another level appears．The first and most basic level of needs involves food．Once this level is satisfied, the second level　of needs, clothing and some sort of shelter, appears．By the end of World War Ⅱ , these needs were satisfied for a great majority of Americans．Then a third level appeared．It included such items as automobiles and new houses．By 1957 or 1958 this third level of needs was fairly well satisfied．Then, in the late 1950s, a　fourth level of needs appeared: the "life-enriching level．While the other levels involve physical satisfaction, that is, the feeding, comfort, safety, and transportation, this level stresses mental needs for recognition, achievement, and happiness．It includes a variety of goods and services．Among them are vacation trips, the best medical and dental care, and recreation．Also included here are fancy goods and the latest styles in clothing．On the fourth level, a lot of money is spent on services, while on the first three levels more isspent on goods．A fifth level would probably involve needs that can be achieved best by community action．Consumers may be spending more on taxes to pay for government action against disease, ignorance, crime, and prejudice．After filling our stomachs, our clothes closets, our garages, our teeth, and our minds, we now may seek to ensure the health, safety, and leisure to enjoy more fully the good things on the first four levels．According to the passage, man will begin to think about such needs as housing and clothing only when________

A. would be little better than the fourth level
B. may be a lot more desirable than the first four
C. can be the last and most satisfying level
D. will become attainable before the government takes actions

[单选题]More has been learned since 1945 about the chemical changes in the body than in all human history before ________ time．

A. in
B. that
C. which
D. the

[单选题]By my 50th birthday, I________in my current profession for over 20 years．

A. would have been
B. would be
C. will be
D. will have been

[单选题]胃酸分泌减少时，促胰液素的分泌（　　）

A. 减少
B. 增多
C. 不变
D. 先减少，后增多
E. 先增多，后减少

[单选题]右心室有 （　　）

A. 梳状肌
B. 动脉圆锥
C. 二尖瓣
D. 卵圆窝
E. 主动脉前庭

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