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UNIT1

What do we know about the news item?

The low effectiveness of U.S. efforts to improve the quality of education.

Higher education helping white people more than other groups.

The inequality problems in rural areas in United States.

The bachelor's degree helping blacks and Latino finding good jobs.

What is the percentage of white graduates who got good jobs?

69%

35%

77%

10%

Which instruments did researchers use to measure snowfall level in 2017?

Artificial clouds

Radar

Ploughing seeds

Thermometer

Why have people in western US increased cloud seeding in recent years?

It can help meet water demand.

It can produce rain and snow.

It can cause ice to form quickly.

It can make various clouds in sky.

UNIT2

What is essential for ushering in the festival on the mainland?

Singing, dancing and performing acrobatics.

Buying flowers and lanterns.

Lighting lanterns days in advance.

Holding a dragon lantern parade.

Why are prices of flowers much higher than usual?

Because of snow and low temperatures in Yunnan.

Because sales of flowers and chocolates are heating up fast.

Because many well-known singers and dancers will celebrate together.

Because the chinese Lantern Festival coincides with Valentine's Day.

What does Columbus Day honor?

Most of the federal offices.

The people who lived in the Indies.

The first visit to America by Christopher Columbus.

The first visit to Far East by Christopher Columbus.

What do we learn about Columbus?

He thought those islands were not the coastal 内容过长，仅展示头部和尾部部分文字预览，全文请查看图片预览。 ts is NOT true?

American infants can watch videos made just for them.

American infants watch something online every day from their parents’laptop.

Experts have invented a way to encourage babies to use the computer themselves.

About two-thirds of American children under two watch something online.

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