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【简答题】
下列命题中正确的是 (写出所有正确命题的编号) ①y=sinx(x∈R)在第一象限是增函数; ②对任意△ABC,cosA+cosB>0恒成立; ③tanx=0是tan2x=0的充分但不必要条件; ④y=|sinx|和y=sin|x|都是R上周期函数; ⑤y=tanx的图象关于点 (k∈Z)成中心对称;
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【单选题】Read the section "Biggest Business Run By Girls In The World." Which sentence from the section shows how Megan Ferland feels about the Girl Scouts?
A.
Megan Ferland is a Girl Scout official.
B.
She is the head of the group in Western Washington.
C.
They think the girls just sell cookies.
D.
Ferland says it is the biggest business run by girls in the world.
【判断题】The western section of the Bay Bridge is double suspension bridge
A.
正确
B.
错误
【单选题】下面哪种疼痛评定方法既能表示疼痛的范围,又能表示疼痛的强度
A.
行为疼痛测定法
B.
四点口述分级评分法
C.
视觉模拟评分法
D.
五点口述分级评分法
E.
45区体表面积评分法
【简答题】Identifying Main Points Each of the ten statements below contains information given in one of the sections in the text. Each section is marked with a letter. Identify the section from which the inform...
【简答题】Directions:In this section, you are going to read a passage with ten statements attached to it. Each statement contains information given in one of the paragraphs. Identify the paragraph from which ...
【判断题】桑塔纳 2000 轿车两轴式变速器三、四档同步器和五档同步器装在输出轴上。
A.
正确
B.
错误
【单选题】下面哪种疼痛评定方法既能表示疼痛的范围,又能表示疼痛的强度:
A.
、行为疼痛测定法
B.
、四点口述分级评分法
C.
视觉模拟评分法
D.
五点口述分级评分法
E.
、45 体表面积评分法
【单选题】已知某电解质溶液中离子的迁移速率u+=5u-,则在阳极区内某一假想界面上所通过的电量为
A.
正离子迁移的电量
B.
负离子迁移的电量
C.
正负离子迁移电量之和
D.
正负离子迁移电量之差
【判断题】The western section of the Bay Bridge is a single suspension bridge.
A.
正确
B.
错误
【简答题】Each of the ten statements below contains information given in one of the sections in the text. Each section is marked with a letter. Identify the section from which the information is derived. More t...
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