图示结构,EI=常数,MCA=()。
A. PL/2(左侧受拉)
B. PL/4(左侧受拉)
C. PL/2(右侧受拉)
D. PL/4(右侧受拉)
According to the text, the Hispanic news media are successful because ______
A. they meet the interests of Spanish America.
B. they report the current wrongdoings of minorities.
C. they help keep the productivity of the society of white people.
D. they focus on the same news as other news media do.
Task 1
Directions: After reading the following passage, you will find 5 questions or unfinished statements, numbered 36 through 40. For each question or statement there are 4 choices marked A, B, C, and D. You should make the correct choice.
The laptop computer (便携式电脑) is popular all over the world because it is small enough for us to put on the upper part of our legs. People use them on trains and airplanes, in airports and hotels. These computers connect people to their workplace. In the
The laptop computer is becoming more and more popular because it is ______.
A. very convenient to use in a lot of places
B. cheap enough for everyone to get one
C. small enough to put into one's pocket
D. easy to take to and from classrooms
国家实行教科书审定制度。教科书的审定办法由()规定,未经审定的教科书,不得出版选用。
A. 县级教育行政部门
B. 地市级教育行政部门
C. 省级教育行政部门
D. 国务院教育行政部门