The first and most important thing parents should do to help their children is ______.
A. to provide them with a safer environment
B. to lower their expectations for them
C. to get them more involved socially
D. to set a good model for them to follow
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What does the author mean when he says, "we can't turn the clock back" (Line 1, Para. 3)
A. It's impossible to slow down the pace of change.
B. The social reality children are facing cannot be changed.
C. Lessons learned from the past should not be forgotten.
D. It's impossible to forget the past.
土方路堤填筑方法有( )。
A. 分层填筑法、竖向填筑法、混合填筑法
B. 分层填筑法、竖向填筑法、冲击压实法
C. 竖向填筑法、分层压实发、强力夯实法
D. 竖向填筑法、冲击压实法、强力夯实法
路基冲刷防护中,以下( )属于间接防护。
A. 植物
B. 抛石
C. 石笼
D. 防洪堤
To get a pay raise, a person should ______.
A. advertise himself on the job market
B. persuade his boss to sign a long-term contract
C. try to get inside information about the organization
D. do something to impress his boss just before merit pay decisions