水壶:开水
A.桌子:游戏 B.邮箱:信件 C.音箱:歌曲 D.灌溉:池塘
参考答案:B
解析: 题干中的两个词是工具与对象的关系,且对应关系唯一,B项符合。
—What do you think of modern music?
—It is often considered not as good as ________ of the past.
A.it
B.that
C.this
D.one
用电工仪表测量时,被测量值最好在满刻度的3/5左右范围。()