What is the major structure of the following sentence？A MOOC is an online course aimed at unlimited participation and open access via the web（）
A MOOC is an online course
B. A MOOC aimed at participation and access
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What’s the meaning of the word “reinforce”（）
A. Make longer
B. Increase strength
C. Increase the size or scope
D. Increase intensity
What does the word “obsolete” mean（）
A. The newest
B. To make newer
C. The most modern
D. Old; not useful anymore
母病及子，子病犯母，说明了五行之间的相克关系（）
A. √
B. ×
SWOT includes___（）
A. situation and threats
B. strengths and threats
C. weaknesses and opportunities
D. weakness and opposition
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