题目内容

Certain growth factors spur stem cells to morph into specific kinds of cells, such as bone or muscle.

A. grow
B. move
C. change

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The war devastated the economy and saddled the country with a huge foreign debt.

A. burdened
B. harnessed
C. oppressed

Being caught a third time will incur a hefty fine of $200.

A. great in force
B. strong in build
C. large in size, weight, or amount

The heavyweight champion will be given a shot at Holyfield's world title.

A. score
B. try
C. warning

This shelter offers women a haven from their abusive spouses.

A. a place where animals can hide
B. a place where angels stay
C. a place where people feel safe