20世纪80年代美国进入一个银行倒闭的活跃期。（)

Jack was ______.

A．strong enough to move the family piano

B．not strong enough to move the family piano to the living room

C．too strong to move the family piano to the living room

D．strong but he couldn't move the family piano to the dining room

m ______.

A．are very much afraid of being kept alone

B．are not courageous and confident enough

C．are not very popular among their classmates

D．are good at striking out boldly on their own

Jack was ______.

A．strong enough to move the family piano

B．not strong enough to move the family piano to the living room

C．too strong to move the family piano to the living room

D．strong but he couldn't move the family piano to the dining room

A．Wars or natural disasters make them lose their families.

B．They want to help their families earn enough money to survive.

C．They are poor.

D．All the above.

A．Wars or natural disasters make them lose their families.

B．They want to help their families cam enough money to survive.

C．They are poor.

D．All the above.

l boldness in the face of a reluctant scientific establishment that was not unlike that of Galileo Galilei, who refused to accept the intellectual limits placed on him by the censors of the Church.

A．not unlike that of Galileo Galilei, who refused

B．like Galileo Galilei and his refusal

C．not unlike Galileo Galilei, who refused

D．like that of Galileo Galilei for refusing

E．as that of Galileo Galilei, who refused

A．Wars or natural disasters make them lose their families.

B．They went to help their families earn enough money to survive.

C．They are poor.

D．All the above.

Columbus had accomplished one of the most amazing and courageous ______ in history.

A．performance

B．feats

C．events

D．acts

A．Wars or natural disasters make them lose their families.

B．They want to help their families earn enough money to survive.

C．They are poor.

D．All the above.