2020届高考英语基础巩固复习教案

unit5基础巩固练习（新人教版必修三）

ⅰ.单项填空
1．all passengers ________ are expected to fasten the seat belts when the plane takes off or lands.
a．on the board　　　　　　　b．on board
c．on boards                d．on a board
解析：选b。on board＝aboard上船/飞机/车等；在车/船/飞机上等。
2．it’s far away from here and it’s certainly not ________walking distance.
a．within           b．at
c．around           d．on
解析：选a。本题考查介词。within walking distance表示走路就可以到。
3．—mom，may i play computer games just for a while?
— ________！ dad is writing his paper.
a．help yourself             b．it’s up to you
c．behave yourself