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【判断题】
自由纺锤形树形主枝不分层，呈螺旋式上升A.
正确
B.
错误
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参考解析：
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皮皮学刷刷变学霸
举一反三
【简答题】D Wilma was born on June 23, 1940 in St Bethlehem, Tennesse. By the time she was 6, Wilma Rudolph was given metal braces (支架) to aid her in walking. She started receiving treatment with help from her ...
【单选题】利用电子邮件进行广告活动时，不恰当的做法是（）
A.
正确使用电子邮件签名
B.
信件的内容应尽可能详细
C.
可以用“暗发”的方法同时给众人客户发信
D.
让客户主动索取广告
【简答题】Wilma was to have Temple as her coach,
since he saw in her an indomitable spirit (fortune).
【简答题】阅读理解 Wilma was born on June 23,1940 in St Bethlehem, Tennesse.By the time she was 6, Wilma Rudolph was given metal braces (支架) to aid her in walking.She started receiving treatment with help from her ...
【单选题】Wilma was __________ to have Temple as her coach, since he saw in her an indomitable spirit.
A.
perfect
B.
fortunate
C.
sad
D.
angry
【单选题】利用电子邮件进行广告活动,恰当的做法是( )
A.
对于相同的内容，频繁地向同一邮箱发送
B.
选定目标，定向发送
C.
如果有用户发送邮件进行咨询，不予理睬
D.
内容冗长，并带有大量的图片信息
【简答题】在邻二氮菲吸光光度法测定铁实验中.绘制标准曲线的目的是什么??
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