[填空题]In 1935,______of Harlem’s families were unemployed.

[填空题]In 1935,______of Harlem’s families were unemployed.

[填空题]In 1935, $0 percent of Harlem’s families were unemployed.

[填空题]In 1935,______ of Harlem’s families were unemployed.

[单项选择]

Families separated by the Florida Straits were overjoyed Tuesday and Miami-based charter companies rushed to add seats and flights to their Havana routes after the Obama administration decided to let more Americans visit Cuba as often as they want, and spend as much as they like.
The policy changes are sure to put more money into Cuba’s dying economy, and many would-be travelers are already call for still more barriers to fall. Even Fidel Castro (菲德尔·卡斯特罗) , who had belittled the changes Monday, yielded Tuesday that they were "positive, although minimal".
The United States still doesn’t let most Americans without ties to Cuba visit the island or send in money. But the change, announced Monday by the Obama administration, was among the most significant openings in the half-century of hostilities between the two countries.
During the Bush administration, Americans with immediate family members on the island could visit once every
A. It will boost the Cuban economy.
B. It will help defeat Fidel Castro.
C. It will make more Cubans come to the United States.
D. It will decrease the number of Cubans coming to the United States.

[填空题]On three walls of old Egyptian tombs, there were some paintings with flowers and beauties.

[填空题]Those welfare families moved to Charlotte’s neighborhood, which makes situation even worse.

[填空题]During the period of ______ lifestyle risks were seen as the major contributors to poor health.

[简答题]disadvantaged families

[填空题]By the 1950s many American families owned television sets. During television’s first 20 years, deaf people missed most of the fun. They could not hear what was being said and had to guess. Deaf people who watched television liked sports and action shows, but they were disappointed with other programs. If there was a lot of dialogue, deaf viewers couldn’t follow the plot. Even the most skilled lip-readers could only catch part of the talking. This frustrated many deaf people.
In the late 1960s, a man started experimenting. Malcom Norwood thought that deaf people could enjoy television programs, too. He wanted to develop captions for the programs. Norwood worked for the federal government’s Media Services and Captioned Films Division at the Bureau of Education of the Handicapped.
Norwood surveyed many hearing Americans. He wanted to see how they felt about seeing captions on the television screen. Too many people were against the idea. Norwood realized he had to develop ano