若RSI(14)=85,则说明( )。 A.该市场向下波动的幅度占总的波动幅度的8

题型:单项选择题

问题:

若RSI(14)=85,则说明( )。

A.该市场向下波动的幅度占总的波动幅度的85%
B.该市场向上波动的幅度占总的波动幅度的15%
C.该市场属于极强市
D.该市场属于极弱市

考点:期货从业考试期货基础知识技术分析法
题型:单项选择题
函数y=
x2+2
x2+1
的最小值为______.
题型:单项选择题

在探究凸透镜成像的实验中,凸透镜位置不变,先后把烛焰放在a、b、c、d各点如图所示.分别调节光屏的位置:

(1)烛焰放在______点时,屏上出现的像最小.

(2)把烛焰放在______点上是属于投影仪原理.

(3)当在光屏上出现烛焰清晰的像时,若把凸透镜遮住一半,则在光屏上还______(填“能”还是“不能”)得到烛焰完整的像.

题型:单项选择题

脱式计算.

①(710+190)×7

②960÷6×4

③756÷7÷6

④128+840÷6.

题型:单项选择题

人口质量

题型:单项选择题


The United States counts its population every ten years, and each census reveals that the racial and ethnic mix is changing dramatically, so by the year 2050, the "average" American will not be descended from (1) , but the majority of U. S. residents will trace (2) ancestry to Africa, Asia, the Hispanic world, the Pacific Islands, or the Middle East. Once the United States was a microcosm of European nationalities, (3) the United States is a microcosm of the world. The United States is (4) considered a "melting pot" society by many of its residents. (5) , many people prefer the term "salad bowl." They use this (6) to describe American society. American society will soon be (7) nonwhite. "Melting pot" implies that the different ethnic groups blend together (8) one homogeneous (9) , "salad bowl" (10) that nationalities, like the ingredients in a mixed green salad, retain their cultural (11) . Earlier generations of (12) believed they had to learn English quickly not only to survive but also for (13) .
Now, many immigrant groups do not (14) the same need. Because there are many places in America (15) you can work, shop, get medical care, marry, divorce and die without knowing English. (16) , Chinatown in San Francisco and New York. Also, Los Angeles has many Vietnamese immigrants and immigrants from Mexico. (17) , many immigrant groups want their children to know their (18) culture. Many Hispanics, for instance, want their children to learn (19) English and Spanish and study the Spanish language in school. They are fighting for the (20) to bilingual education in many communities. In many communities they are in the majority.

更多题库