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【单选题】
搜索引擎营销是目前最主要的网站推广营销手段之一。搜索引擎营销主要方法包括A.
SEO 、PPC
B.
SEM 、PPC
C.
SEO 、 SEM
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Hurry up! They ______ for us now.
A.
Must waiting
B.
ought to wait
C.
must be waiting
D.
must have waited
【单选题】Will Quality Eat up the US Lead in Software? If US software companies don't pay more attention to quality, they could kiss their business good-bye. Both India and Brazil are developing a world-class s...
A.
India.
B.
The US.
C.
Brazil.
D.
Germany.
【简答题】He's left now, but productivity hasn't ______that much. A: carried on B; caught up C; picked up
【单选题】- What's up? You didn't pick up the phone just now. - I'm sorry that I dancing with music on, but it's done now.
A.
practised
B.
was practising
C.
am practising
D.
have practlised
【单选题】在两个部件之间添加配合约束的时候,哪一个部件会从先前的位置移动到满足装配关系的位置?( )
A.
都移动
B.
都不移动
C.
第一个被选择的部件
D.
第二个被选择的部件
相关题目：
【简答题】He's left now, but productivity hasn't ______that much. A: carried on B; caught up C; picked up