一、单词填空。
1.The ________ （调查）shows that most students like patient teachers.
2.Take the medicine three times a day according to the __________（指示）.
3.He thinks that my work doesn’t reach the __________(标准).
4.The __________(键盘) of a computer has different letters and numbers.
5.Count and see how many trees there are in a ____ (一排).
