[单项选择]Mason Snow, CFA, is an analyst with Polari Investments. Snow’s manager has instructed him to put only securities that are undervalued on the buy list. Today, Snow is to make a recommendation on the following two stocks: Bahre (with an expected return of 10 percent and a beta of 1.4) and Cubb (with an expected return of 15 percent and a beta of 2.0). The risk-free rate is at 7 percent and the market premium is 4 percent. Snow places:（）
A. neither security on the list.
B. only Bahre on the list.
C. only Cubb on the list.

[单项选择]
The two things, snow and mountains, which are needed for a ski area are the two things that cause avalanches, large mass of snow and ice crushing down the side of a mountain, often called "White Death."
It was the threat of the avalanche and its record as a killer of man in the western mountains that created the snow ranger. He first started on avalanche control work in the winter of 1937, 38 at Alta, Utah, in Wasatch National Forest.
This mountain valley was becoming well known to skiers. It was dangerous. In fact, more than 120 persons had lost their lives in 1936 and another 200 died in 1937 as a result of avalanches before it became a major ski area.
Thus, development of Alta and other major ski resorts in the west was dependent upon controlling the avalanche. The Forest Service set out to do it, and did with its corps of snow rangers.
It takes many things to make a snow ranger. The snow ranger must be
A. the Forest Service.
B. the Resource Bureau.
C. the Tourist Board.
D. the Sports Bureau.

[单项选择]What is indicated about Julie Mason
A. She’s going to fill in for Leonard Wilson.
B. She’s responsible for the expanded exporl markets.
C. She’s going to take a job with Henson Unlimited.
D. She’s the new director of the international division.

[单项选择]
The two things—snow and mountains—which are needed for a ski area are the two things that cause avalanches, large mass of snow and ice crushing down the side of a mountain—often called White Death.
It was the threat of the avalanche and its record as a killer of man in the western mountains that created the snow ranger. He first started on avalanche control work in the winter of 1937—1938 at Aha, Utah, in Wasatch National Forest.
This mountain valley was becoming well known to skiers. It was dangerous. In fact, more than 120 persons had lost their lives in 1936 and another 200 died in 1937 as a result of avalanches before it became a major ski area.
Thus, development of Aha and other major ski resorts in the west was dependent upon controlling the avalanche. The Forest Service set out to do it, and did, with its corps of snow rangers.
It takes many things to make a snow ranger. The snow ranger must be in ex
A. the Forest Service
B. the Resource Bureau
C. the Tourist Board
D. the Sports Bureau

[单项选择]Creating so much confusion, Mason realized he had better make ______ what he was trying to toll the audience.
A. exclusive
B. explicit
C. objective
D. obscure

[单项选择]Matt mason, as director of the Robotics Institute at Carnegie Mellon University has seen the future of our kitchens. Mason likes thinking (67) how machines can make our lives easier by taking (68) the tasks, like mopping, and cleaning, which we (69) . When it comes to the kitchen, he’s (70) that within just a few decades, robots will (71) it by doing most of the (72) work and freeing us to sit back and (73) . "Right now we think of the kitchen (74) a place for chores," says Mason. "But maybe we’re in the (75) of discovering it as a place we can enjoy." So (76) you really, really love to clean, you won’t have to. The (77) has already begun. Recently, iRobot, the company that gave us the Roomba vacuum, invented Scooba--a robot that not only (78) but also wet-scrubs and dries floors all at (79) . The automatic floor cleaners of the future could (80) many different
A. experiments
B. developments
C. investments
D. movements