人体的结构层次可表示为细胞→→→→人体。

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问题:

人体的结构层次可表示为细胞        →         →       人体。

考点:动物体的结构层次关系
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输入动植物、动植物产品和其他检疫的,应当在该检疫物( )报检。

A.进境后

B.进境时

C.进境前

D.进境前或进境

题型:读图填空题

As far back as he could remember,Larry had longed to go to Hollywood and become a film star.The young man’s hopes for success were broken again and again,however.Hollywood just did not seem interesting.When he first came to California,Larry had decided never to give up and return home without success.Therefore,he kept on trying.Someday,he told himself,his big opportunity would come.

Larry found a job parking cars for one of Hollywood’s big restaurants.His pay was elementary,but since the guests were kind enough to give him more money,he managed to make a living.One day he recognized an important film director driving into the parking lot (停车场) and getting out of his car.Larry had recently heard that the man was ready to make a new picture.

Larry got into the car and prepared to drive it on into the lot and park it.Then he stopped,jumped out,and ran over to the director.“Excuse me,sir,but I think it’s only fair to tell you that it’s now or never if you want me in your next picture.A lot of big companies are after me.”

Instead of pushing away the boy,the director laughed,then wrote something on a card and handed it to the young man.“Come and see me tomorrow.”

Larry got a small part in the director’s next film.He was on his way!

小题1:Which of the following was Larry interested in?

A.Working as a waiter.

B.Becoming a film star

C.Parking cars for film stars.

D.Owing a big company小题2:Why did Larry find a job parking cars?

A.Because he liked the job.

B.Because the parking lot was near Hollywood.

C.To make a living and wait for the opportunity.

D.To see a lot of film stars and work for them.小题3:After reading the story what can we infer (推断) about the film director ?

A.He wanted to laugh at Larry.

B.He recognized Larry at first sight.

C.He was kind and gave Larry a try.

D.He thought Larry would become a star.小题4:what does the word “elementary” mean in this passage?

A.基本的

B.充足的

C.较高的

D.不达标的小题5:“He was on his way”refers to the fact that ________.

A.he gave up and returned home

B.he began to work towards success

C.he took a journey to Hollywood

D.he had difficulty in playing the small part

题型:读图填空题

洗发(),这种水十分接近蒸馏水。

A.宜用纯净水

B.宜用矿泉水

C.宜用雨水

D.宜用自来水

题型:读图填空题

下降盘

题型:读图填空题

DGA法脱硫,一般情况下溶液浓度控制在()(质量分数)。

A、15%~25%

B、25%~30%

C、30%~50%

D、50%~70%

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