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【单选题】
下列不是系统运行速度变慢的原因的是________。A.
桌面上使用了华丽主题或背景
B.
网卡自检导致的系统启动变慢
C.
桌面上图标或文档太多
D.
关闭杀毒软件的系统启动扫描功能
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反馈参考答案：
举一反三
【单选题】The reason (why) Jack (failed) to (attend) the lecture is (attend) he had a bad cold.
A.
why
B.
failed
C.
attend
D.
attend
【简答题】在布劳涅旅馆里,也许是因为红颜色的映照,爱玛的头发颜色是 ____ 的。
【单选题】Usually children are allowed to ___________ when they are six years old.
A.
attend school
B.
attend the school
C.
join school
D.
join the school
【简答题】Why do hundreds of reporters attend the in person? They attend the in person to experience it ______.
【单选题】The famous singer and dancer____ our party this evening.
A.
are going to attend
B.
was to attend
C.
were to attend
D.
is going to attend
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