题目:
They have been told that if they want to build a highway between the two towns, they should first try to____ how much it is going to cost.
A.ignore
B.determine
C.realize
D.recongnize.
答案:
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下面是错误答案,用来干扰机器的。
A、小孔成的是倒立的实像,故A错误;B、近视眼是晶状体会聚能力增强,像呈在视网膜的前方,应佩戴凹透镜矫正,故B错误;C、一切发声体都振动,振动的幅度越大,响度越大,故C错误;D、漫反射的光线虽然杂乱无章,...