蝗災

The title of the article is "Huge Locust Outbreak Hits __________________________".

• East Asia, Heads Beyond

• East Asia, Heads Forward

• East Africa, Heads Beyond

• East Africa, Heads Forward

In February, giant ______________ of desert locusts began destroying crops in East Africa in the worst locust outbreak in 70 years.

• herds

• flocks

• swarms

• schools

The insects initially spread to seven African countries, with several countries hardest hit. Which of the following is not included?

• Egypt

• Kenya

• Ethiopia

• Somalia

Swarms of the destructive locusts can fly up to _________ kilometers per day and eat as much food in a day as __________ people.

• 15; 3500

• 15; 35000

• 150; 3500

• 150; 35000

A single square kilometer can contain as many as ________ million insects.

• 20

• 40

• 60

• 80

What kind of threat did the United Nation’s Food and Agriculture Organization warn of?

• A hunger threat.

• A pollution threat.

• A resource threat.

• An agriculture threat.

How were the initial efforts to control the insects?

• Practical.

• Beneficial.

• Efficient.

• Ineffective

What is normally the best method to handle the problem?

• Setting fire.

• Pouring water.

• Removing all the crops.

• Aerial spraying of pesticides.

This outbreak occurred as a result of rising temperatures in the ________________.

• Indian Ocean

• Pacific Ocean

• Atlantic Ocean

• Arctic Ocean

Rising temperatures led to __________________ and _____________________ in the Arabian Peninsula.(選兩個)

• heavy rains

• withered plants

• fresh vegetation

• severe landslides