在相同条件下,水驱效果最好的井网类型是()法。A、五点 B、四点 C、九点 D、反九

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问题:

在相同条件下,水驱效果最好的井网类型是()法。

A、五点

B、四点

C、九点

D、反九点

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异戊巴比妥不具有下列哪种性质

A.与吡啶-硫酸铜溶液作用生成紫色

B.溶于水

C.弱酸性

D.易水解

E.与硝酸银试液生成白色沉淀

题型:单项选择题

肝阳上亢证的常见症状是()

A.腰膝酸软

B.耳鸣耳聋

C.牙齿动摇

D.成人早衰

E.眩晕耳鸣

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I am honored to be here today, (1) Harvard at this celebration of the College Board’s half century of working to promote (2) and equal opportunity in higher education.
Before I say anything else, I want to thank everyone in the room for the work you do every day to make college (3) , available, and (4) for millions of young people across the country.
I want to focus my remarks on a matter of (5) to American familiesand to the future of the nation -- restoring education to its proper role as a (6) to equal opportunity and (7) in our society.
This has been an (8) in higher education, with great and creative efforts made by many institutions. Earlier this year, we announced a new (9) at Harvard aimed at the students from families of low and (10) income. Under our new program, families with incomes of (11) will no longer be expected to contribute to the cost of attending Harvard for their children. Families with incomes of less than $ 60,000 will also see their (12) reduced.
We are proud of this effort at Harvard, but we are aware that the programs of individual institutions with means can never be a substitute for our shared (13) to provide adequate funding for Pell grants and other financial aid, and for the state and community college systems that make higher education (14) and affordable for the (15) .
There is something empty about (16) initiatives that may be right for one institution without attention to their broader impact. (17) , we (18) if we urge changes in national policy without doing what we can on our own campuses.
In this spirit, I want to (19) today a problem that is emerging with (20) in this nation.

题型:单项选择题

对于瘦体形的人来说可稍微多吃的食物有()。

A.瘦肉、奶制品、巧克力

B.蜂蜜、果仁、纤维重的食物

C.纤维重的食物、面包

D.全脂奶粉、粗纤维食物

题型:单项选择题

关于实习时间说法正确的是()

A、实习时间不得超过12个月

B、每日实习时间不得超过7小时

C、每周实习时间不得超过36小时

D、每月实习加班时间不得超过10小时

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