正确答案: B

孙武

题目：“知己知彼，百战不殆”千古名言出自

解析：B

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举一反三的答案和解析：

[单选题]9．—What's her family name?—________.

Brown

解析：9．D【解析】由问句可知此句回答“姓”，故选D。

[单选题]Canada is the second largest country in the world． It is over 7,000 kilometres from the (11) coastc海岸) to the east．lt (12) six time zones． (13) it is 9 am in Vancouver on the west coast ,it is l:30．pm in St John's on the east coast．'

English and French (14) the two mamlanguages in Canada． About 60 percent of (15) people speak English ,and about 25 percent speak French． More (16 ) 70 percent of its popu-lation live in cities near the US border(边境)． Ottawa is the capital． Every year millions of tourists go there to (17) museums and take part in the cultural(文化的) activities． Toronto is the largest city of the country (18) about 2.5 million people． Montreal is (19) second biggest French-speaking city in the world． The maple leaf is the nauonal symbol of Canada． The Canadian flag has a red maple leaf on a red(20) white background． ( )11．

west

[单选题]有一包固体粉末，可能含有碳酸钠、硫酸钠、硝酸钡、氯化钾和氯化铜中的一种或几种。未确定其组成，进行如下实验：（1）取该固体粉末少量，加足量水，搅拌，静置，得到白色沉淀，上层为无色溶液；

一定含有碳酸钠、硫酸钠、硝酸钡，一定不含氯化铜，可能含有氯化钾

[单选题]下列对化学反应前后质量变化的解释，不符合质量守恒定律的是

蜡烛燃烧后质量变小，是因为蜡烛受热形成了石蜡蒸气

[单选题]对标题“月光启蒙”理解最贴切的一项是（3分）

明月星光下，母亲用智慧和才华陪伴我的童年，启迪我的想象和诗情。

解析：D（3分）  A（1分）