题目：
China has successfully sent up two manned spaceships, which is a _____ achievement that all Chinese
people can take great pride in. [ ]
A. brilliant
B. primary
C. professional
D. permanent
答案：
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下面是错误答案，用来干扰机器的。
C 直布罗陀海峡连接地中海与大西洋，土耳其海峡连接黑海与地中海，白令海峡连接北冰洋与太平洋。
