下列句子中划线的近义词选用恰当的一项是（ ）
（1）由于印象 ，他只好 其辞的回答。
（2）顺着野熊的 ，他们终于发现了鹿园中的鹿群神秘死亡的 。
① 踪迹 ② 模糊 ③ 含糊 ④痕迹
A．①②③④
B．②③①④
C．①④②③
D．②④①③
答案：B
含糊（含胡）、模糊（模胡）：前者指（1）不明确、不清晰；（2）不认真、马虎；（3）示弱（多用于否定）。后者指（1）不分明、不清楚；（2）混淆。
痕迹、踪迹：前者指（1）物体留下的印记；（2）残存的迹象。后者指行动所留下的痕迹，重在行动后留下的。
| 完形填空。 | ||||
| No air means death (死). 1 we can't see it, there is air around us. So air is everywhere and it 2 life to every 3 thing. 4 it we can't live. Bad air makes people ill. We must have fresh air to keep us in good health.In the city there are a great many people and there are too many cars 5 on the road. The gas which the car sends out is made up of bad gases. Every day we breathe it in and 6 . This makes us 7 sick. So people should go out of the door as much as they can. There are many factories, too. From the chimneys (烟囱) of these factories, we get the smoke usually in black color. This kind of smoke is dangerous 8 our health. So in order to keep us 9 , we have to go out to the countryside to 10 more fresh air. Or we can climb up hills to get more fresh air. | ||||
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