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【单选题】
The reason _____ he was late for the meeting is _____ his car broke down on the road.

why; that
why; because
that; that
for which; because
【单选题】
______ a year does your school have sports meeting?Twice a year.

How often
How soon
How long
How many times
【单选题】
O2O模式的基本商业逻辑是

线上平台预先支付,线下消费体验,商家能够实时追踪其营销效果,由此形成闭环的商业服务和体验过程
线下支付,线下消费,随时和商家反馈使用情况,由此形成的连环商业服务
线上为手机充值,然后收到话费到账通知,由此形成的一站式体验过程
网上采购,即政府机构在网上进行产品,服务的招标和采购
【单选题】
I/O接口在( )之间。

主机和总线
主机和I/O设备
总线和I/O设备
CPU和内存
【单选题】
O2O营销模式的核心是在线支付。 ( )

正确
错误
【多选题】
微信O2O营销的优势表现在:

门槛低
易传播
功能强大
【单选题】
Mary tiptoed over and took the clock away because she hated to hear it ____ when she was trying to go to sleep.

sounding
ringing
ticking
humming
【单选题】
28. "_____ your meeting is!" he offered them his sincere congratulations.

Howagreatsuccess
Whatagreatsuccess
Howgreatsuccess
Whatgreatsuccess
【单选题】
We all thought ______ pity that you were unable to attend our meeting.

that
which
this
it
【单选题】
The reason __he was absent from the meeting was _his car broke down on the way.

that; because
why; that
that; that
for; that