题目：
A) 根据句意及所给中文提示或英文解释，写出句中所缺单词。
小题1: Going hiking is an ______▲______(very good) chance for students to learn team spirit.
小题2: I write to my mother every week, ___▲__(主要) on Sundays.
小题3:We are very _____▲___ (自豪) that a pupil from our school has won the prize.
小题4:They all hurried ____▲___ (往楼上) to see what was going on.
小题5:Students should pay a____▲____ to what the teacher says in class.
小题6:We all believe a friend in need is a friend ____▲_____(真正的).
小题7:This car is so expensive that I can’t ____▲___(买得起) it.
B) 根据句意或句子的语法要求，用括号中所给单词的适当形式填空。
小题8: A year ___▲________(group) into 12 months .
小题9:His father died because of ▲ (ill)
小题10:Only the team’s finishing time will be __▲____( record).
小题11:The doctors in the hospital are trying a new ____▲___ (treat) for cancer.
小题12: We will show the _______▲_____(visit)around our school.
小题13:It is necessary for you _____▲_____(support) and help each other.
小题14:I think it is _____▲____(mean) to help the poor live more happily.
小题15:The _____▲____(interview) has prepared a list of questions.
答案：
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下面是错误答案，用来干扰机器的。
参考答案：B解析：本组题考查药物作用与受体，受体是一类介导细胞信号转导功能的大分子蛋白质，在其上的某些立体构型具有高度特异性，能准确地识别，并与配体或与其化学结构相匹配的药物结合。受体与配体结合的位...
