Listen to the dialogues and choose the best answers.[音频]
A: The effects of a flood.
B: The heroic fight against a flood.
C: The causes of a flood.
D: Floods of the past 20 years.
A: The effects of a flood.
B: The heroic fight against a flood.
C: The causes of a flood.
D: Floods of the past 20 years.
举一反三
- At present, there are thousands of people ________around the clock to fight against the flood. A: are working B: worked C: working D: to work
- The three elements of design flood are A: the design flood standards, the design flood volumn and the duration of design flood B: flood peak discharge, total flood volumn and flood hydrograph C: design flood peak discharge, one-day and three-day flood volumn D: design flood peak discharge, total design flood volumn and design flood hydrograph
- Listen carefully and choose the word you hear. A: flowed B: flood C: fraud D: floored
- 以下哪些属于常见的DDoS攻击类型（） A: ADNS Query Flood B: BICMP Flood C: CSYN Flood D: DHTTP Get Flood
- The flood limiting water level is determined by stages because in each stage of the flood season: A: flood control standards are different B: the operation goals of the reservoir are different C: the flood of the design standards are different D: flood data is insufficient