Rock music usually（）the young people in most countries.

单项选择题This is the military（）Nobody is allowed to get in without permission.

A.bond
B.zone
C.butter
D.zoo

单项选择题This sick man was（）in a blanket.

A.input
B.issued
C.ensured
D.wrapped

单项选择题You have your choice of three（）of ice cream.

A.varieties
B.tops
C.respects
D.decks

单项选择题He gave us a good（）of his experience.

A.demonstration
B.frequency
C.description
D.instruction

单项选择题This mountain range has many high（）and fertile valleys.

A.peaks
B.hills
C.phases
D.pink