1. Police have ________ to the public to come forward with any information which might help them in their inquiries.
A）urged
B) claimed
C) appealed
D) called

2.His understanding made a deep impression ________ the young girl.
A) in
B) on
C) for
D) to

3.They have been trying to arrive at a practical solution ________ the problem.
A) in
B) to
C) on
D) with

4. Some hard plastics can be ________ metals in manufacturing machine parts.
A) substituted for
B) taken place
C) replaced in
D) given way to

參考答案及解析：

1．urge催促, 力勸，claim聲稱, 主張, 需要，appeal請(qǐng)求, 呼吁, 上訴, call呼叫, 召集, 稱呼, 認(rèn)為, 命名, 打電話。所以正確答案應(yīng)該選擇C。
2．impress on 給...深刻印象(使銘記,使感動(dòng)). 所以正確答案應(yīng)該選擇B。
3. solution to the problem固定用法，“問(wèn)題的解決辦法”， 所以正確答案應(yīng)該選擇B。
4．substituted for代替... 替換..., 取代... take place 發(fā)生，replace 指“代替某人”或“取代已經(jīng)失去的、毀壞的或用壞的東西”, 如: We replace defective tubes.我們更換有毛病的管子。
give way to 讓路,讓步, 所以正確答案應(yīng)該選擇A。