Before they left the factory, all the cars were carefully tested for（）

单项选择题A 200-year-old building is very old in American（）

A.terms
B.points
C.outlooks
D.definitions

单项选择题He who wants to succeed must（）difficulties and bitterness first.

A.undertake
B.understand
C.undergo
D.underline

单项选择题The children（）at the sound of the terrorists' guns.

A.panicked
B.pained
C.picnicked
D.pitied

单项选择题He didn't place much（）on his friends' suggestions.

A.attention
B.weight
C.value
D.importance

单项选择题（）Peter goes to the evening party will she go.

A.Only
B.If
C.Only if
D.If only