题目内容

I hadn’t had my breakfast, so I _ my secretary _ me a coffee and a hamburger.

A. tell; order
B. tell; to order
C. told; order
D. told; to order

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They were impressed with our service and they told me they ______ place an order.

A. are going to
B. are going
C. were going to
D. were going

He asked how much _______.

A. the car was
B. was the car
C. the car is
D. is the car

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使用鸢尾花数据集完成教材P178练习题5的要求，并给出某个鸢尾花的数据若为X=(4.95,3,2,1.35)，分别使用Fisher和bayes判别判断该鸢尾花的种类（要求将R操作过程编写为脚本程序文件，以学号命名另存，将整个分析过程仿照教材案例整理为word文档（将R结果截图，附带文字说明）后一起上传。）提示：鸢尾花数据集是R自带的数据，可以使用data(iris)命令直接调用。