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问题 配伍题

T1WI为低信号T2WI为高信号（）
T1WI为低信号T2WI为低信号（）
T1WI为低信号T2WI均为高信号（）

A.脂肪组织

B.白质

C.骨皮质

D.胆固醇

E.脑脊液

答案

参考答案：E,C,A

完形填空

Nowadays，studying abroad is popular in China with many rich parents. They would rather send their children abroad to receive education in English-speaking countries than let them be educated in China.

As every coin has two sides，studying abroad is the same．There are advantages for people to attend schools abroad. In the first place，he can use English in his daily life to improve his English greatly，as it is obvious that there is no better chance to improve English than living in the country where it is spoken. While studying in a foreign country，it is possible to make friends from all over the world. This is not only exciting on the social level，but could lead to important overseas contacts in his career as well. He can get familiar with the latest knowledge in science and make use of the best facilities available. In this way, he is able to widen his horizon and broaden his mind.

Of course，attending schools abroad may bring about a series of problems. The most serious problem is language barrier．Most of the students who go abroad don’t have enough skills in the language spoken there. As a result，on arriving there，they will find it difficult to understand what the teachers say. Besides，for lack of knowledge of the customs of the local people，they may constantly run into trouble in dealing with various situations.

In conclusion，given an opportunity to attend a school abroad，one must consider both sides of the factors carefully before making up his mind.

小题1: List two advantages of studying abroad.

小题2: What is the most serious problem of studying abroad?

小题3: What’s the passage mainly about?
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单项选择题

患者，女性，38岁，从事铅作业18年，近年来，经常出现轻度易兴奋性精神症状，伴有腹胀、便秘。尿铅1.25μmol／L，尿中ALA75μmol／L，此患者可能是（）。

A.观察对象

B.慢性轻度铅中毒

C.慢性中度铅中毒

D.慢性重度铅中毒

E.正常
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