[单项选择]What is Chad worried about


A. More refugees would flee to Chad.
B. Arab militias would cross into Chad.
C. Arab militias would attack Chad.
D. Tensions would increase in the border are

[单项选择]What critics are really worried about
A. Broadcasters and publishers do not want to make open bad news about their advertisers.
B. Stations are too much interested in seeking money from their advertisers.
C. Programs are not so appealing to more and more audience.
D. Stations will not broadcast enough educational programs.

[单项选择]What were the scientists worried about soon after the Gulf War


A. The threat of poisonous desert animals and plants.
B. The exhaustion of energy resources.
C. The destruction of oil wells.
D. The spread of the black powder from the fires.

[单项选择]What was Rosy worried about after taking the pill


A. She might not get up early.
B. Her sister would not wake her up.
C. She could not have a good sleep.
D. She would dream.

[单项选择]Why are American scholars worried about education today
A. The STEM subjects are too challenging for students to learn.
B. Some Asian countries have overtaken America in basic sciences.
C. America is lagging behind in the STEM disciplines.
D. There are not enough scholars in humanistic studies.

[单项选择]Why is the man worried about the course


A. He is starting the course late.
B. The subject is difficult for him.
C. The professor is very reserved.
D. The book is difficult to read.

[单项选择]

Passage One
Sharon Keating was worried about her kids when she got a divorce. Her daughter, says, "I was feeling.., like down and sad and even though I didn’t really show it."
Judith Wallerstein says problems from divorce can stay for many years. They can show up when the kids are adults. As adults the kids have trouble.
Wallerstein studied 93 children over a generation. The results can only be found in her book.
She says children of divorce are more likely to have problems with drugs. They are far more likely to seek therapy. About 40-percent of them do not marry. Their marriages fail at nearly twice the usual rate. It is hard for them to trust. They are afraid of failing.
Critics say Wallerstein had too few children in her study. Other things may be the cause of the kid’s problems. The study does not compare kids from divorced families with kids from "healthy" families.
Wallerstein’s fa
A. have their marriages fail as often as others
B. stay married two times as long
C. are two times as likely to have their marriage fail
D. are usually happy