Lucy has a great sense of humour and alw

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问题选择题

Lucy has a great sense of humour and always keeps her colleagues ________ with her stories . [ ]

A. amused

B. amusing

C. to amuse

D. to be amused

答案

答案：A

选择题

一个苹果在阳光下看起来是红色，这是因为[ ]

A. 红光透过苹果

B. 苹果只吸收红光

C. 苹果只反射红光

D. 红光折射进苹果

单项选择题

仅仅允许到主机1.1.1.1的SMTP邮件服务的命名访问控制列表语句是（）。

A、ip access-list standard cisco permit smtp host 1.1.1.1

B、ip access-list extended cisco permit ip smtp host 1.1.1.1

C、ip access-list standard cisco permit tcp any host 1.1.1.1 eq smtp

D、ip access-list extended cisco permit tcp any host 1.1.1.1 eq smtp