某建设项目固定资产投资为3176万元，流动资金为436万元，项目投产期年利润总额为8

一辆农用“小四轮”漏油，假如每隔l s漏下一滴，车在平直公路上行驶，一位同学根据漏在路面上的油滴分布，分析“小四轮”的运动情况（已知车的运动方向）。下列说法中正确的是

A．当沿运动方向油滴间距逐渐增大时，车一定在做减速直线运动

B．当沿运动方向油滴始终均匀分布时， 车可能做匀速直线运动

C．当沿运动方向油滴间距逐渐增大时，车一定在做匀加速直线运动

D．当沿运动方向油滴间距逐渐增大时，车的加速度一定也增大

下图为一雄果蝇体细胞染色体组成示意图。请回答问题：

(1)果蝇是遗传学研究的理想实验材料，因为它有_____________等特点(写出一点即可)。

(2)自然界中果蝇眼色通常是红色的。1910年遗传学家摩尔根在进行果蝇眼色的遗传实验时，偶然发现了1只白眼雄果蝇，这只果蝇的白眼变异来源于_________。

(3)从图中可以看出，果蝇的体细胞内有_____________个染色体组，有_________对同源染色体。

(4)若该果蝇的基因组成如图所示，则可产生_____________种配子。

施工工地的（）布置，确定材料堆放，机具安装及施工人员的休息等地点。

A．现场 

B．作业面 

C．场所 

D．平面

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.

班组是在（）基础上，把生产过程中相互协作的同工种工人、相近工种工人和不同工种工人组织在一起，从事生产活动的一种组织。

A、按需分配

B、按劳分配

C、劳动分工

D、同工同酬