As the recovery builds speed, it is likely to be sustained by a ______ circle of forces.
A. vicious
B. rotating
C. virtuous
D. spiral
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（）seemed to be no opposition to the proposal.
A. They
B. There
C. What
D. It
Please give this notebook（）comes for it.
A. to whomever
B. to whoever
C. whomever
D. whoever
The company relies ______ on the sales forecast to balance its budget.
A. heavier
B. heaviness
C. heavy
D. heavily
宪法的结构是成文宪法研究的一项重要内容。请问下列关于我国现行宪法的结构体系的表述中哪一项是正确的( )
A. 序言，总纲，国家机构，公民的基本权利和义务，国旗、国徽和首都
B. 序言，总纲，国家机构，公民的基本权利和义务，国家象征
C. 序言，总纲，公民的基本权利和义务，国家机构，国旗、国徽、首都
D. 总纲，国家机构，公民的基本权利和义务，国旗、国徽、首都
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