新航路开辟后，世界各民族的历史逐渐融合为一部统一的人类历史。这种“融合”和“统一”实现的主要途径是
| A．西方的殖民扩张 | B．东西文明的交汇 |
| C．工业革命的兴起 | D．世界人口的迁移 |
School clubs are lively places where students are encouraged to _______ their interest．（ ）
A．developB．dependC．performD．overcome
___________the students came from different countries，they got on well in the camp．（ ）
A．WhenB．UnlessC．ThoughD．Until
Tina is pleased with the toy．It is ________ gift she has ever received．（ ）
A．a betterB．the betterC．a bestD．the best
I don't know when the bridge was built_______，but it must be very old．（ ）
A．exactlyB．carefullyC．luckilyD．easily
Ann grows up in a _______family．So she always feel happy when she gets home．（ ）
A．richB．strictC．lovingD．serious