[单项选择]Luis Posada Carriles was detained______
A. because he had killed 73 Cuban ’civilians in 1976
B. because he had planned an airliner bombing in 1976
C. because he had worked as a spy on Cuba’ s behalf
D. because of his illegal immigration status

[单项选择]Luis Posada Carriles was detained________.
A. because he had killed 73 Cuban civilians in 1976
B. because he had planned an airliner bombing in 1976
C. because he had worked as a spy on Cuba’’s behalf
D. because of his illegal immigration status

[单项选择]
Luis Figueroa lives down the street from UC Merced, the newest campus in the University of California system. So it’s not surprising that the 21-year-old studies from the comfort of his own home. But he’s not enrolled at Merced. from his living-room computer, Figueroa is earning his bachelor’s degree in business administration at Columbia College in Missouri, some 2,000 miles away. At $ 630 per course-about $1,800 per semester—his online degree will cost far less than even in-state tuition at UC. Not only that, Figueroa is able to continue working full time in a management-training job with AT&T in Merced, a job he feels lucky to have in the current economic climate. "Once I realized I had time constraints, I knew the traditional classroom wouldn’t work," he says. "Courses online are open 24 hours a day, and I’m able to go there any time I want."
That convenience is one of the main reasons nearly 4 million American st
A. He felt lucky in the economic climate.
B. He liked to stay in the online world.
C. He was aware that his time was limited.
D. His home was far away from the campus.

[单项选择]Luis Rodriguez, CFA, is an analyst at XYZ Investments. He covers a company that is located in a region that is not easily accessible. The company invites analysts for their annual analyst meeting and pays for the transportation to the remote location. Rodriguez is:（）
A. not allowed to accept the payment for transportation because this is considered a "perk" and may influence his independent judgment.
B. allowed to accept the payment for transportation as long as it does not exceed $100.
C. allowed to accept the payment for transportation because the trip was all business and was out of the way.

[单项选择]Last year Luis invested x dollars for one year, half at 8 percent simple annual interest and the other half at 12 percent simple annual interest. Now he wants to reinvest the x dollars for one year in the same two types of investments, but the lower rate has decreased, If the higher rate is unchanged, what fraction of the x dollars must be reinvest at the 12 percent rate s that the total interest earned from the x dollars will be the same for both years ？（）
(1)The lower rate is now 6 percent.
(2)The total amount of interest earned from the two investments last year was $3,000.
A. 条件(1)充分，但条件(2)不充分．
B. 条件(2)充分，但条件(1)不充分．
C. 条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分．
D. 条件(1)充分，条件(2)也充分．
E. 条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．