题目内容

It was ________ Li Ming had always been working hard that he was admitted to Beijing University last July．________ the saying goes, “No pains, no gains”．

[　　]

A．

because; As

B．

as; Though

C．

for; As

D．

since; Where

答案：A

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It was Li Ming had always been working hard that he was admitted to Beijing University last July． the saying goes, “No pains, no gains”．

A.
because; As
B.
as; Though
C.
for; As
D.
since; Where

It was ___ Li Ming had always been working hard that he was admitted to Beijing University last July.
___ the saying goes, "No pains, no gains".

[ ]

A. because; As
B. as; Though
C. for; As
D. since; Where

阅读下面短文，根据以下提示：1）汉语提示，2）首字母提示，3）语境提示，在每个空格内填入一个适当的英语单词，并将该词完整地写在右边相对应的横线上。所填单词要求意义准确，拼写正确。

It was Li Ming and Wang Dan that came to see me this evening.

So far all my classmates have c______ to see me since I fell 76.____________

i________ last month. Every day at least two of my 77.____________

classmates h me with my lessons, which 78.____________

(感动) me deeply. Not only do they come to help me 79.____________

to make for my lessons but they also come to 80.____________

tell me the interesting things that 　　（发生）at school. 81.____________

My doctor tells me that I getting better and better 82.____________

and that I will be able to go b to school next week. 83.____________

（听到）this, I feel as if I am on the top of the world. 84.____________

I want to study in the classroom with my classmates! 85.____________

Have you ever wondered how a turtle got its shell? You're not the only one. Paleontologists (古生物学者) have long been confused by the question. But a recently found turtle fossil (化石), the oldest on record, may hold the answer. Researchers report in Nature that the fossil shows shells evolved（进化）as an extension of turtles' backbones and ribs (肋骨).

“The discovery opens a new chapter in the study of the origins and early history of these fascinating reptiles (爬行动物),” says paleontologist Robert Reisz of the University of Toronto.

Scientists have been in the dark until now because all turtle fossils previously discovered had complete shells. (The previously oldest known turtle was discovered in Germany. It dated to about 210 million years ago. ) But this 220 million-year-old fossil is an ancestor of the modern turtle at a stage when its shell was still evolving.

The 40-cm-long fossil was discovered in Guizhou province. An international team of paleontologists led by Li Chun of the Chinese Academy of Sciences in Beijing analyzed it. They reported that the bones belonged to a Triassic (三叠纪的) turtle, which they named odontochelys semitestacea（半甲齿龟）, meaning “toothed turtle with a half shell”.

The fossil has a shelled belly（腹部）and a little extra bone on its spine (脊柱). That supports the theory that turtles' shells formed over time as their backbones and ribs grew. Before the discovery, some paleontologists thought shells were formed as hard, bony plates in turtles' skin, such as those in the skin of modern-day crocodiles. The authors say that this turtle species probably lived in water and that their stomach shell kept them safe from predators (捕食者) below while they were swimming.

66. The passage is mainly about _______.

A. a brief introduction to the structure of turtle shells

B. a new insight about how turtle shells formed gradually

C. a brief introduction to the living habits of turtles

D. The study of the origins and early history of turtles

67. Which is TRUE about the newly found turtle fossil?

A. It was Li Chun, one Chinese paleontologist, who found the turtle fossil.

B. The turtle fossil found in southwestern China is 210 million years old.

C. The fossil shows turtle shells evolved from turtles' backbones and bellies.

D. Scientists now know how turtle shells evolved with the help of the fossil.

68. What can we conclude from the passage?

A. The newly found fossil plays a key role in studying the origins of reptiles.

B. Paleontologists think turtle shells developed from turtles' hard skin.

C. Some species of turtles don't have stomach shells because they live on land

D. Paleontologists have long been puzzled about what makes up turtle shells.

69. Nature, mentioned in Paragraph 1, is most probably the name of _______.

A. a science fiction B. a magazine on science

C. a photo website D. a science organization

70. The structure of this passage is _______.

① The new theory is very important. ② The oldest turtle fossil was found.

③ A new discovery on how shells evolved has been made.

④ How scientists made a new theory on how shells evolved from the fossil

A. ① ② ③ ④ B. ① ③ ④ ② C. ③ ① ② ④ D. ② ④ ① ③

It was ________ Li Ming had always been working hard that he was admitted to Beijing University last July．________ the saying goes, “No pains, no gains”．

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It was Li Ming had always been working hard that he was admitted to Beijing University last July． the saying goes, “No pains, no gains”．