下牙弓及下颌体处于近中位置,前牙反。() A.安氏Ⅰ类 B.安氏Ⅱ类,Ⅰ分类 C.安

题型:单项选择题 B1型题

问题:

下牙弓及下颌体处于近中位置,前牙反。()

A.安氏Ⅰ类

B.安氏Ⅱ类,Ⅰ分类

C.安氏Ⅱ类,Ⅱ分类

D.安氏Ⅲ类

E.安氏Ⅲ类,亚类

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题型:单项选择题 B1型题

Now I know that we black people are much more likely to have high blood pressure and diabetes (糖尿病) than white people. And they often lead to heart attacks and other untreated diseases. For example, black people are three to four times more likely than white people to have high blood pressure and twice as likely as the white population to die of a stroke (中风).

New research has found out the surprisingly high levels of salt in many of black people’s favorite meals. I stopped putting extra salt in my food at the table long ago and I try to cut down on the salt. I use in cooking. The suggested daily level of salt for adults is 6 grams. It is easy to see that if you try not to eat too many processed (加工过的) foods and use salt in your cooking within the limit, you won’t reach more than the daily level.

The research showed how much salt there is in some foods that we buy from restaurants and takeaways. An average salad with rice and peas has 6.2 grams of salt. This is more salt than you are supposed to eat for the whole day.

A researcher talked about the importance of home cooking rather than take-outs. At home, he pointed out, not only can you hold control of the salt bottle, but also you can create tasty food which is low on salt. The researcher later provided curry goat and rice and peas. They were low on salt, but completely delicious.

I do not suppose Jamaicans are going to stop buying takeaways soon. But if you suffer from high blood pressure, it is probably better not to buy them often.

小题1:The underlined word “they” in Paragraph 1 refers to _______.

A.white people

B.black people

C.untreated diseases

D.high blood pressure and diabetes小题2:What has the new research found out according to Paragraph 2?

A.Black people take in too much salt.

B.Black people’s meals are very special.

C.Processed foods have too much salt in them.

D.6 grams of salt per day is enough for an adult.小题3:What would the writer probably suggest black people do?

A.Order no salad in a restaurant.

B.Take in no salt for several days.

C.Stop cooking their favorite meals.

D.Eat less takeaways.小题4:The researcher provided curry goat and rice and peas in order to _______.

A.thank those who came to his home for his research

B.let people know that eating less salt makes one healthier

C.show that tasty food with less salt can be made at home

D.prove the less salt the food has the more delicious it is小题5:What would be the best title for this passage?

A.Watch the salt

B.Take care, black people

C.Say no to takeaways

D.Say no to high blood pressure

题型:单项选择题 B1型题

急性胆囊炎时触诊胆囊的表现为()
胰头癌时触诊胆囊的表现为()

A.胆囊不肿大,明显黄疸

B.胆囊不肿大,墨菲征阴性

C.胆囊肿大、实性感

D.胆囊肿大、囊性感、有压痛

E.胆囊肿大、囊性感、无压痛,黄疸渐进性加深

题型:单项选择题 B1型题

I.(1)CH3OH(1)、H2的燃烧热分别为:725.5 kJ/mol和285.8 kJ/mol,写出工业上以CO2、H2合成CH3OH(1)的热化学方程式:                 

(2)右图为光电解水的装置,写出光照时半导体电极表面发生的电极反应式________。目前应用最多的半导体材料是Si,甚至有人提出硅是“21世纪的能源”,硅可作为新能源的原因可能的是        (填字母)。

a.在自然界中存在大量的单质硅 

b.硅可以通过化学方法“再生”

c.硅具有较强的亲氧性,燃烧放出的热量多

d.硅的化学性质不活泼,便于安全贮存、运输

II.将0.2mol/L HA溶液与O.lmol/L NaOH溶液等体积混合,测得混合溶液c(Na+)>c(A),

用“>”、“<”或“=”填写下列空白:

(1)混合溶液中c(A)____c(HA);c(HA)+c(A)__0.lmol/L;

(2)混合溶液中,由水电离出来的c(OH    0.2mol/L HA溶液中由水电离出的c(H+

(3)25℃时,如果取0.2mol/L HB溶液与0.lmol/L NaOH溶液等体积混合,测得混合溶液的pH <7,则HB的电离程度      NaB的水解程度。

题型:单项选择题 B1型题

森林:树木()

A.建筑群:建筑物

B.生物:动物

C.食品:牛奶

D.电脑:硬盘

题型:单项选择题 B1型题

工资系统中职工的“电费”数据(每月按表计费)具有()

A.固定值属性

B.随机变动属性

C.固定个体变动属性

D.静态特性属性

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