题目内容

When ______ through a telescope, the sun appears darker near the edge.

A. seen
B. see
C. to see
D. seeing

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While _______ the sun, the satellite has sent more than four billion bits of information back to earth.

A. orbited
B. being orbited
C. having orbited
D. orbiting

SAMBA服务器的默认安全级别是()。

A. share
B. user
C. server
D. domain

在Samba“验证模式”中有()、()、()、()和()五种模式供选择。

( )参数定义samba服务器所在的工作组或域。

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