1.our teacher always sees the _______ side of everything.
a. spot b.negative c.efficient d.robot
2.if you want to make a call, first, pick up the _______,then deposit a coin in the slot.
a. receiver b.speaker c.microphone d.hook
3.the service in this restaurant is not good. even the _______ is very dirty.
a. milk b.salad c.soup d.menu
4.i am _______ enough to make up my own mind. you do not need to teach me.
a. young b.mature c.numerical d.guarantee
5.i’m _______ you’ve made the right choice.
a. bond b.confident c.double d.gravity
答案与解析：
1.b。我们老师总是看事情不好的一面。
2.a，如果你想打电话，首先拿起话筒，然后往孔里投一个硬币。
3.d。这个饭店的服务不好，连菜单都这么脏。
4.b。我已经长大了，可以自己做决定，你不用教我。
5.b。我相信你作出了正确的选择。