Professor Smith did a very interesting experiment in his lab yesterday．Did Professor Smithdo a very interesting experiment in his lab yesterday? 题目和参考答案——青夏教育精英家教网—

题目内容

1．Professor Smith did a very interesting experiment in his lab yesterday．（改为一般疑问句）
Did Professor Smithdo a very interesting experiment in his lab yesterday？

分析史密斯教授昨天在他的实验室里做了一个很有趣的实验．
史密斯教授昨天在他的实验室里做了一个很有趣的实验吗？

解答答案：Did； do 根据句子中"Preofessor Smith did…"中动词did和时间状语yesterday可知这是时态为一般过去时的句型．句子中did为实义动词do的过去式，改为一般疑问句应该以助动词did开头，谓语动词要用原形do，故填：Did； do．

点评改为一般疑问句，首先判断句子的时态，选择合适的助动词、be动词或者情态动词开头，并要注意谓语动词形式的变化的．

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12．It was reported that nine Chinese people ______ in a balloon crash （坠毁）in Egypt on February 26，2013．（　　）

9．After hundreds of experiments，Edisonsuccessfully （成功） invented the light bulb．

6．Can dolphins talk？They can't talk with words，but they talk wilh sounds．They show their feelings with sounds．
Dolphins travel in a group．We call a group of fish a"schoo1"．They don't study，but they trave1 together Dolphins are mammals，not fish，but they swim together in a school．
Dolphins talk to the other dolphins in the school．They give information．They tell when they are happy or sad or afraid．They say"Welcome"when a dolphin comes back to the school．They talk when they play．
They make a few sounds above water．They make many more sounds under water．People cannot hear these sounds because the sounds are very，very high．Scientists make tapes of the sounds and study them．
Sometimes people catch dolphins for a large aquarium．People can watch the dolplains in a show Dolphins don't like to be away from their school in an aquarium．They are sad．
There are many stories about dolphins．They help people．Sometimes they save somebody's life．Dolphin meat is good，but people don't like to kill them．They say that dolphins bring good luck．Many people believe this．

Answer the following questions according to what you read．
76．Can dolphins talk with words？No，they can't．
77．What do we call a group of fish？A"school"
78．When do they say"Welcome"？when a dolphin comes back to the school．
79．Do they make more sounds above water or under water？Under water
80．In fact，do dolphins really bring good luck？Why？No，they don't．Because it's just a wish of many people．．

13．Where is your father？
He ______ Xiamen on business．（　　）

10．A：Hello，Peter!
B：Hello，Li Wei!
A：（51）B？
B：I'vc been here for two weeks，but I'm going back to Australia tomorrow．
A：Have you traveled much？
B：（52）F．I've visited many interesting places．
A：（53）D？
B：I have been to Tian An Men Square，Palace Museum，the Great Wall，the Birds'Nest and so on．
A：Wow，great!（54）G？
B：Yes，I went to see the Terracotta Army（兵马俑）．It was fantastic．
A：（55）C？
B：I love it very much，especially Beijing Duck．It's so delicious．

A．Where have you gone？
B，How long have you been in China？
C．What do you think of Chinese food？
D．What places have you been？
E．No，I haven't．
F．Yes，I have．
G．Did you go anywhere outside Beijing？

10．Tom thinks people will help him if he asks for helppolitely （polite）．

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