隔离开关因为没有专门的灭弧装置,所以不能开断()。
A.负荷电流
B.空载电流
C.短路电流
D.过载电流
参考答案:A, C
小王参加了"重走霞客路"的旅行考察活动。他们从湖北武当山出发,到云南丽江结束。下图是考察路线示意图及相关景观图。读图回答下列问题。(10分)
(1)该考察路线所经过的名山中,有两个被列入"世界自然与文化遗产",一个是黄山,另一个是,其重要价值是____、____。(3分)
(2)小王在桂林看到漓江两岸有大量的峰林、峰丛景观。这些景观属于典型的地貌。经过调查与走访得知,桂林旅游资源的开发对当地经济、社会、文化发展的促进作用很大,具体表现是____。(4分)
(3)小王在丽江感受到了浓郁的地域文化特色,如纳西古乐、东巴文字等。丽江古城已被列入"世界文化遗产"。你认为丽江在旅游可持续发展中需注意哪些问题?(3分)
The workers at Bell Manufacturing will shortly go on strike unless the management increases their wages. As Bell’s president is well aware, however, in order to increase the workers’ wages, Bell would have to sell off some of its subsidiaries. So, some of Bell’s subsidiaries will be sold. The conclusion above is properly drawn if which one of the following is assumed
A.Bell Manufacturing will begin to suffer increased losses.
B.Bell’s management will refuse to increase its workers’ wages.
C.The workers at Bell Manufacturing will not be going on strike.
D.Bell’s president has the authority to offer the workers their desired wage increase.
E.(E) Bell’s workers will not accept a package of improved benefits in place of their desired wage increase.