In this novel, Defoe created the image of a true empire-builder, a colonizer and a foreign trader, who has the courage and will to face hardships, and who has determination to preserve himself and improve his livelihood by struggling against nature.
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Defoe was a prolific and versatile writer, producing more than three hundred works---books, pmphlets, and journals.
A. 对
B. 错
方差分析中，组内平方和表示由（ ）造成的变异
A. 实验误差（包括个体差异）
B. 实验处理
C. 个体
D. 自变量
下面哪个预定义变量是用来获取HTTP文件上传信息?( )
A. $_GET
B. $_POST
C. $_FILES
D. $GLOBALS
以下关于Ajax发送请求时需要指定的参数的说法,不正确的是( )。
A. 要请求的资源,即URL地址
B. 请求的方式只能是GET方式
C. 需要发送给服务器的数据,以“名=值”的方式书写
D. 告诉服务器可以回传的内容类型是什么
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