[多选题]对无法进行直接验电的设备和雨雪天气时的户外设备，可以进行间接验电。即通过设备的（ ）及各种遥测、遥信等信号的变化来判断。
A.机械指示位置
B.电气指示
C.带电显示装置
D.仪表

A—module
B—modem
C—machine language
D—LCD
E—link
F—internet explorer
G—image scanner
H—icon
I—display screen
J—directory service
K—default
L—debugger
M—correct defects
N—bug
O—mouse
P—animation

Today many people who live in large metropolitan areas such as Paris and New York leave the city m summer. They go to the mountains or to the seashores to escape the city noise and heat. Over 2.000 years ago, many rich Romans spent their summers in the city of Pompeii. Pompeii was a beautiful city. It was located on the ocean, on the Bay of Naples. In the year 79 A. D., a young Roman boy who later became a very famous Roman historian was visiting his uncle in Pompeii. The boy’s name was Pliny. One day Pliny was looking at the sky. He saw a frightening sight. It was a very large dark cloud, this black cloud rose high into the Sky. Rock and ash flew through the air. What Pliny saw was the eruption—the explosion—of the volcano. The city of Pompeii was at the foot of Mt. Vesuvius.
When the volcano first erupted, many people were able to flee the city and to escape death. In fact, 18,000 people escaped the terrible disaster. Unfortunately, there was not enoug

Say goodbye to the Mountain Gorilla. Say farewell to the Short Tailed Chinchilla.
That’s the conclusion of the United Nations Environment Program’s (UNEP) Third Global Environmental Outlook Report. The report was compiled (编写) for the UN from the work of 1 100 scientists. It predicts the state of the planet in the year 2032 based on the policies and practices of the last 30 years. If these continue, UNEP says, we’re going to be living on a very lonely planet. By 2032, one quarter of the world’s mammal species (哺乳动物种群) will disappear. They will be joined by 12% of the world’s bird species. And according to UNEP, 5 611 species of plants will also be wiped out-but since only 4% of the world’s plant species have been examined in detail, that figure will probably be much higher.
UNEP blames a variety of causes, from poverty and overpopulation to pollution, global warming and profit-driven economic and trade policies. But ther
A. the world would become much more developed
B. many animals and plants would soon disappear
C. we would use as many chemicals as possible
D. we would keep as many national parks as possible