泵压指的是泵排出口处的液体压力。

口腔硬、软组织的倒凹区和非倒凹区是指（）

A.口腔内牙体的状况

B.牙周的状况

C.牙槽嵴的状况

D.牙槽骨的状况

E.以上都是

万州是重庆市的唯一一个三级中心局。

甲与乙是夫妻，甲经常在醉酒后对乙进行打骂。某日，甲又醉酒，以妻子有外遇为借口，将妻子的衣服撕掉，并用皮带对妻子的背部、四肢等部位进行抽打，后来甲觉得不解气，又拿了一截钢筋殴打乙的头部、背部、臀部和四肢，造成乙的双腿内外侧皮下大面积淤血，深达肌层。后来甲发现乙神情恍惚，心中害怕，赶紧把乙送往医院。乙经抢救无效死亡。经尸检，被害人的死亡是由于多次被钝击头部、背部、四肢，造成循环呼吸功能衰竭，但没有发现大量旧伤。则甲的行为构成何罪（）．

A．虐待罪

B．故意伤害(致死)罪

C．故意杀人罪

D．虐待罪和故意伤害(致死)罪数罪

The history of African—Americans during the past 400 years is traditionally narrated (1) an ongoing struggle against (2) and indifference on the part of the American mainstream, and a struggle (3) as an upward movement is (4) toward ever more justice and opportunity.

Technology in and of (5) is not at fault; it’s much too simple to say that gunpowder or agricultural machinery or fiber optics (6) been the enemy of an (7) group of people. A certain machine is put (8) work in a certain way—the purpose (9) which it was designed. The people who design the machines are not intent on unleashing chaos; they are usually trying to (10) a task more quickly, cleanly, or cheaply, (11) the imperative of innovation and efficiency that has ruled Western civilization (12) the Renaissance.

Mastery of technology is second only (13) money as the true measure of accomplishment in this country, and it is very likely that by (14) this under-representation in the technological realm, and by not questioning and examining the folkways that have (15) it, blacks are allowing. (16) to be kept out of the mainstream once again. This time, however, they will be (17) from the greatest cash engine of the twenty-first century. Inner-city blacks in particular are in danger, and the beautiful suburbs (18) ring the decay of Hartford, shed the past and learn to exist without contemplating or encountering the tragedy of the inner city.

And blacks must change as well. The ways that (19) their ancestors through captivity and coming to freedom have begun to loose their utility. If blacks (20) to survive as full participants in this society, they have to understand what works now.

8（）

A.for

B.off

C.on

D.at

异羟肟酸铁反应的现象是

A．蓝色

B．灰色

C．绿色

D．红色

E．黑色