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【简答题】
如果a,b是整数,那么a+b与a-b的奇偶性一定相同吗?阐述你的根据。
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【多选题】有些片剂质量检查叙述错误的是
A.
凡检查溶出度的制剂，可以不再检查崩解时限
B.
有些片剂需要进行融变时限检查
C.
检查片重差异要求不得有两片超出限度1倍
D.
要求一般中药压制片硬度在2~3kg
E.
崩解时限判断时，只要有1片未在规定时间内崩解就是不合格
【单选题】— How was your visit to the World Park in Beijing? — Wonderful! We enjoyed very much.
A.
itself
B.
myself
C.
yourselves
D.
ourselves
【简答题】Is there any special request of the reservation?
【单选题】How was your visit to our test facility yesterday?的最佳翻译是?
A.
昨天你们的访问怎么样？
B.
昨天你们的考试怎么样？
C.
昨天你们的测试设备参观之行怎么样？
【单选题】-- How was your visit to our test facility yesterday? -- _________.
A.
It is fantastic
B.
It cost a lot of money
C.
It was very interesting
【单选题】— How was your visit to Tibet? — _____. The scenery is amazing! [ ]
A.
It was wonderful
B.
It was hard to say
C.
I didn't enjoy it
D.
It was unpleasant
【简答题】论文的摘要（ ）。
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