利用媒矸石和粉媒灰等工业废渣烧砖,可以()。A.减少环境污染 B.节约大片良田粘土

题型:多项选择题

问题:

利用媒矸石和粉媒灰等工业废渣烧砖,可以()。

A.减少环境污染

B.节约大片良田粘土

C.节省大量燃料煤

D.大幅提高产量

考点:材料科学建筑工程材料建筑工程材料题库
题型:多项选择题

阅读理解。

     Jack is a twenty-year-old young man. Two years ago, when he finished middle school, he found

work in a shop. Usually he works until ten o'clock in the evening. He is very tired when he gets home.

After a quick supper he goes to bed and soon falls asleep. His grandma who lives downstairs is satisfied

with (满意) him.

     One day, on his way home, he met Mary. They were both happy. He asked the girl to his house, she

agreed happily. He bought some fruit and drinks for her. And they talked about their school, teachers,

classmates and their future (未来). They talked for a long time.

     "Have a look at your watch, please," said the girl. "What time is it now?"

     "Sorry, something is wrong with my watch," said Jack. "Where's yours?"

     "I left it at home."

     Jack thought for a moment and found a way. He began to stamp his foot on the floor, "Bang! Bang!

Bang!"

     The sound woke his grandma up. The old woman shouted downstairs, "It's twelve o'clock in the

night, Jack. Why are you still jumping upstairs?"

1. Jack was ________ when he finished middle school. 

A. sixteen  

B. eighteen  

C. twenty  

D. fifteen

2. The old woman is satisfied with Jack because ________. 

A. he's her grandson      

B. he's clever 

C. he can keep quiet      

D. he gets home on time

3. From the story, we can know that Mary is Jack's ________.

A. classmate      

B. colleague (同事)    

C. aunt      

D. wife

4. The word "stamp" in the story means ______ in Chinese. 

A. 盖印     

B. 跺     

C. 贴邮票     

D. 承认

5. Jack stamped his foot on the floor in order (为了) ________. 

A. to wake his grandma up 

B. to make his grandma angry 

C. that his grandma was going to tell him the time 

D. that his grandma was going to buy him a watch

题型:多项选择题

下列哪项不符合胎粪吸入综合征的临床表现()

A.呼吸急促

B.呼吸困难

C.发绀

D.胸廓塌陷

E.两肺湿啰音

题型:多项选择题

管理基本职能中,()是具有战略意义的重要智能。

A.决策

B.组织

C.计划

D.领导

题型:多项选择题

40天的患儿,喷射样呕吐20余天,无黄绿色液,体重不增,大便近日减少。查体时应主要检查的是()

A.脱水情况

B.胃型及胃蠕动波

C.右上腹橄榄样肿块

D.肠鸣音情况

E.营养状况

题型:多项选择题

25T型客车单相逆变器当输入电压低于()时,逆变器输入欠压保护动作,停止输出。

A.90±3V

B.100±3V

C.77±3V

D.120±3V

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