题目内容
Mr. Wu___this math problem____him many times, but he still doesn’t understand it.
A. explains ; to B. has explained ;
for C. ha
s
explained ; to D. explained ; with
【答案】
C
【解析】
试题分析:句意:吴老师给他讲了几遍这道数学题目,但他还是不懂。句中用现在完成时,have/has+动词过去分词,表示过去发生的事情对现在有影响,主语是第三人称单数,所以用has explained; explain…to sb.向某人解释,介词用to,故选C。
考点:考查时态。
练习册系列答案
相关题目
Exhibition(展览) at the Palace Museum
The Palace Museum is a wonderful place to visit. There are lots of fun and interesting things to see. Come to visit the Palace Museum.
| Closing Time | Place | Things to See |
| 10:00 a.m. | Taihe Palace | Golden Throne |
| 10:30 a.m. | Zhonghe Palace | Works of Art |
| 11:00 a.m. | Baohe Palace | Works of Art |
| 1:00 p.m. | Jingren Palace | Bronzes(青铜器) |
| 1:40 p.m. | Yonghe Palace | Pottery(陶器) |
| 2:30 p.m. | Huangji Palace | Chinese Paintings |
| 4:00 p.m. | Fengxian Palace | Clocks and watches |
Children: Over 12:¥10.00
Under12: Free
Discount: 20% on Saturday
Opening Time: 9:00a.m.~ 4:00 p.m.
10:00a.m.~ 3:00p.m. on Saturday
Not Open on Sunday
Notices(注意事项): Keep quiet.
Keep the museum clean.
Don’t forget to buy some souvenirs for your friends and family.
Do not take any photos.
Do not touch anything.
【小题1】How many kinds of things can you see at the exhibition ?
| A.Four | B.Five | C.Seven | D.Eight |
| A.At 1:40 p.m. from Monday to Saturday |
| B.At 4:00 p.m. on Saturday |
| C.At 4:00 p.m. every day |
| D.At 4:00 p.m. from Monday to Friday |
| A.¥35.00 | B.¥28.00 | C.¥15.00 | D.¥7.00 |
| A.Five | B.Two | C.Seven | D.Six |
| A.To talk to each other | B.To take a few nice photos |
| C.To buy some souvenirs | D.To touch golden throne |