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【单选题】
下列运算正确的是（ ）A.
2x 2 ?3x 2 =6x 4
B.
2x 2 -3x 2 =1
C.
2x 2 ÷3x 2 = 2 3 x 2
D.
2x 2 +3x 2 =5x 4
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反馈参考答案：
举一反三
【单选题】大杼穴位于（）
A.
第一胸椎棘突下旁开1.5寸
B.
第二胸椎棘突下旁开1.5寸
C.
第三胸椎棘突下旁开1.5寸
D.
第四胸椎棘突下旁开1.5寸
E.
第五胸椎棘突下旁开1.5寸
【单选题】establishment (Para. 4, Line 9)
A.
the act of starting an organization, relationship, or system
B.
cooperation
C.
set-up
【单选题】大杼穴位于:
A.
当第1胸椎棘突下，旁开1.5寸
B.
当第2胸椎棘突下，旁开1.5寸
C.
当第1胸椎棘突下，旁开3寸
D.
当第2胸椎棘突下，旁开3寸
E.
以上均不对
【简答题】Read through Para.6-9 and find out the author’s argument on the importance of studying the humanities. 1. Studying the humanities can improve our ability __________ and to __________ . (Para. 6) 2. St...
【简答题】填空 Read through Para.6-9 and find out the author’s argument on the importance of studying the humanities. 1. Studying the humanities can improve our ability to __________ and to __________. (Para. 6) ...
【简答题】Read through Para.6-9 and find out the author’s argument on the importance of studying the humanities.1. Studying the humanities can improve our ability __________and to __________. (Para. 6)2. Studyi...
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