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The little boy __________ the watch on the ground and gave it to the policeman.

A. hurried up B. cleaned up C. climbed up D. picked up

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Children with autism(¹Â¶ÀÖ¢) have difficulty with social skills and communication. They often act in limited and repeated ways and have what seem like unusual strong interests.

Autism is more often seen in boys than girls. What causes it is not clear. Scientists are studying DNA and possible environmental influences.

Doctors usually cannot confirm a diagnosis(È·Õï) of autism until a child is about three years old. Rebecca Landa is a researcher at the Kennedy Krieger Institute. Professor Landa wanted to find out what differences in development might be seen earlier. She led a new study that observed 235 babies between 6 and 36 months of age.

¡°At six months of age, when you lay your baby on their back and you pull them by the arms gently into a seated place, the baby¡¯s head may nod back behind the shoulders, like poor head control. But that does not mean that the baby is going to have autism. It does mean the baby needs to have some exercises to help their body get stronger. And when the babies strengthen their bodies, they are better able to play with toys and also with people, which will help them have better outcomes.¡±

By the time a baby is one year old, signs of possible autism include difficulty in using words and not looking eye-to-eye or reaching out to other people. By 14 months, the baby might smile less and use language less. However, Professor Landa says these signs can be very small and their children might be missed during a short health exam.

¡°It¡¯s important for parents to pay attention to their children¡¯s development, and if they care about a child¡¯s development, they should listen to experts.¡±

The earlier parents notice delays, she says, the sooner they can begin simple things that may help improve their children¡¯s development. For example, they can talk to the children about what they are doing, give opinions when the children show them something, and play simple games that keep the children¡¯s attention.

1.What¡¯s the best title of the passage?

A. How to Confirm a Diagnosis of Autism

B. Catching the Early Signs of Autism in Babies

C. Ways to Help Children with Autism to Get Better

D. Children with Autism with Difficulty in Communication

2.What can we learn from the third paragraph?

A. Landa tried to find differences in babies¡¯ development earlier.

B. Landa has found ways to confirm a diagnosis of autism.

C. Doctors led a new study to confirm a diagnosis of autism.

D. Doctors helped babies with autism develop without difference.

3.When a baby with signs of autism is 14 months old, he or she may ________.

A. nod the head back behind the shoulders B. have difficulty raising his or her head

C. dislike to communicate with others D. like reaching out to other people

1.B 2.A 3.C ¡¾½âÎö¡¿±¾ÎÄÖ÷Òª½éÉÜÁË»¼¹Â¶ÀÖ¢µÄº¢×ÓÃǵÄÏà¹ØÇé¿ö£¬½éÉÜÁ˹¶ÀÖ¢µÄÕï¶ÏÇé¿ö£¬¹Â¶ÀÖ¢³öÏֵıêÖ¾Ö¢×´µÈ£¬×îºóΪ¼Ò³¤Ìá³öÁ˽¨Ò顪¡ªÐèÒª¶à¼Ó¹Ø×¢º¢×ÓµÄÐÄÀí·¢Õ¹¡£ 1.¾äÒ⣺±¾ÎÄ×î¼Ñ±êÌâÊÇʲô£¿Ñ¡ÏîA¡°ÈçºÎÈ·Õï¹Â¶ÀÖ¢¡±£¬Ñ¡ÏîB¡°¹Ø×¢Ó¤¶ùÔçÆÚµÄ¹Â¶ÀÖ¢¼£Ïó¡±£¬Ñ¡ÏîC¡°°ïÖúÓй¶ÀÖ¢¶ùͯ±äµÃ¸üºÃµÄ·½Ê½¡±£¬Ñ¡ÏîD¡°ÔÚ½»¼ÊÖÐÓÐÀ§ÄѵϼÓй¶ÀÖ¢µÄ¶ùͯ¡±¡£Í¨¹ýä¯ÀÀÎÄÕ£¬·¢ÏÖÑ¡Ïî...

Holly knew something was _________when she saw Jake¡¯s board came tumbling past her. She cried for _________ and waved _________ the beach. But her father didn¡¯t hear her ______ see her waving. She took a deep_______and dived beneath the surface, ________ Jake. She dived again and again, but she couldn¡¯t find him anywhere. Then after her third dive, she spotted Jake floating face down on the surface. She _______Jake, and turned him face up. Then she began ________ towards the shore. It was hard work, Holly became _______ . But she never ________. At last, with her father¡¯s help, Jake was saved.

1.A. good B. right C. wrong D. normal

2.A. help B. a boat C. a man D. notice

3.A. at B. towards C. for D. to

4.A. not B. without C. and D. or

5.A. breathing B. breathe C. breath D. breathes

6.A. searching B. searching for C. searches D. searches for

7.A. arrived B. get to C. reached D. reached for

8.A. swim B. swimming C. swiming D. swims

9.A. tired B. tiring C. bored D. boring

10.A. give up B. gave on C. give on D. gave up

1.C 2.A 3.B 4.D 5.C 6.B 7.C 8.B 9.A 10.D ¡¾½âÎö¡¿±¾ÆªÎÄÕÂÊÇÔÚÌÖÂÛ»ôÀû¿´µ½½Ü¿ËÔÚË®ÖÐÕõÔú£¬×îºóͨ¹ýһϵÁÐÐÐΪ³É¹¦¾ÈÁËË®ÖеĽܿ˵ĹÊÊ¡£ 1.¾äÒ⣺»ôÀû¿´µ½½Ü¿ËµÄË®°åÉÏÏ·­¹öµÄʱºò·¢ÏÖÒ»¶¨ÊÇÓÐЩÒì³£ÁË¡£¡°something was wrong¡±¾ÍÊÇÖ¸¡°Ä³¸ö¶«Î÷³öÎÊÌâÁË¡±¡£Ñ¡ÏîA¡°ºÃµÄ¡±£¬Ñ¡ÏîB¡°...

People often think of the North Pole(±±¼«) and the South Pole as similar frozen(±ù¶³µÄ)

wastelands. They are both places with very cold temperatures and few people live there. However, the North and South Poles are not much alike as people may imagine.

The North Pole has no land, only thick ice. Temperatures seldom go above 32¡ãF, at which water turns into ice. Most of the time, it stays below zero. In winter temperatures are usually as low as -30¡ãF.

Although conditions were very poor, people tried for many centuries to reach the North Pole. About 100 years ago, two men, Robert Peary and Mathew Henson, were able to get to this environment full of troubles and difficulties. They reached the North Pole on March 8th, 1909. It was really a hard trip for them.

There are few things more dangerous than crossing the Arctic(±±¼«È¦) on foot. People who stayed there may face many problems: very cold temperatures, sudden storms, and even hunger. Most of the area is uninhabited. Few people can live in such a difficult place.

People might think that with such low temperatures for most of the year, the ice would be thick and hard. However, this is not true in the Arctic. The movement of the ocean water under the ice may often cause many different changes on the surface. Sometimes the ice breaks into two opening lanes of water(Ë®µÀ) called ¡°leads¡±. Anyone who falls into a lead can be frozen to death in a few minutes.

1.This passage is probably from ___________.

A. a book review B. a science book

C. a school report D. a computer magazine

2.According to the passage, what happened about 100 years ago ?

A. Two men succeeded in getting to the North Pole.

B. Temperatures in the North Pole went above 32¡ãF.

C. The environment in the North Pole suddenly became worse.

D. The North Pole changed into thick ice because of the temperatures.

3.What does the underlined word ¡°uninhabited¡± probably mean in Chinese?

A. Æøºò¶ñÁ B. ³äÂúΣÏÕµÄ C. À§ÄÑÖØÖØµÄ D. ÎÞÈ˾ÓסµÄ

4.The reason for the ice to break into two opening lanes of water is _____________.

A. that the temperature suddenly drops B. that the water under the ice is frozen

C. that the ocean water under the ice moves D. that the surface is covered with lots of ice

5.What does this passage mainly talk about?

A. The thick ice in the North Pole.

B. A difficult trip to the North Pole.

C. The real situation in the North Pole.

D. The differences between the North Pole and the South Pole.

1.B 2.A 3.D 4.C 5.C ¡¾½âÎö¡¿ÊÔÌâ±¾ÎÄÊÇһƪ¿ÆÆÕÎÄ£¬½éÉÜÁ˱±¼«µãµÄÓйØÇé¿ö¡£Ê×ÏÈÖ¸³ö±±¼«ºÍÄϼ«²¢²»ÏñÈËÃÇÏëÏóµÄÄÇôÏàÏñ£¬½Ó×Å´Ó±ù²ãºñ¡¢ÆøÎµ͵ȷ½Ãæ½éÉܶñÁӵĻ·¾³£¬È»ºó²åÈëÁË100¶àÄêǰÁ½¸öÈ˿˷þÖØÖØÀ§ÄÑ×ßµ½±±¼«µÄ¹ÊÊ£¬Ö¤Ã÷Á˱±¼«µÄ´ó²¿·ÖµØÇøÎÞÈ˾Óס¡£×îºó½éÉÜÁ˺£Ë®ÔÚ±ùϵÄÔ˶¯³£³£»áÒýÆð±íÃæÉÏÐí¶à²»Í¬µÄ±ä»¯¡£ 1.ÌâÒ⣺ÕâÆªÎÄÕ¿ÉÄÜÊÇ´Ó_____...

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