This is our n ____h____. Look! We have a s____ and a TV in the living r____. We have a f____ and a t____ in the kitchen. In the bedroom we have s____ dolls on the bed and a c____ on the desk. I l____ my new home.
按课文《听诊器的由来》内容填空。
他们一个____在这头，____着腰，把耳朵紧____着跷跷板。
下列命题中，假命题的是（ ）
若|a|=4，|b|=2，且a＞b，求a﹣b的值．
