题目

It is easy to be _______ by products promising to make you lose weight quickly.（  ） A. taken off       B. taken out    C. taken away     D. taken in   答案：D  13．下列属于器官的是（　　）A．叶的上表皮B．马铃薯的块茎C．一只草履虫D．一只小白鼠