IPv6 将地址从 IPv4 的 32 bit 增大到了 _____________ bit。
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Tradition and culture have changed our way of __________ the world.
A. deceiving
B. conceiving
C. perceiving
D. receiving
Problems in communication have__________ people's interest in studying cultural differences.
A. arisen
B. aroused
C. risen
D. awakened
In this popular restaurant, the seats by the window are often __________forsome special guests.
A. deserved
B. observed
C. conserved
D. reserved
Some people say that learning Chinese is a __________but fruitful experience.
A. joyful
B. memorable
C. miserable
D. regretful