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【简答题】
HLAⅡ类分子的()区是结合抗原肽的部位;()区是与Th细胞表面CD4分子结合的部位。
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反馈参考答案：
举一反三
【简答题】ple — their clothes, ideas, or languages—has changed as much as what they eat. The original chocolate drink was made from the seeds of the cocoa tree(可可树)by South American. Indians. The Spanish introd...
【单选题】What is reading?
A.
Reading is asking questions of the printed text .
B.
Reading is simply the ability to call out words on sight.
C.
Reading is simply the ability to answer correctly comprehension questions following a story.
D.
Reading is simply the ability to race down a page reading thousands of words per minute.
【单选题】The authors attitude towards online news charging can be best described as______.
A.
enthusiastically favorable
B.
basically supportive
C.
profoundly worried
D.
deeply regretful
【单选题】It can be inferred from the passage that the public charging infrastructure
A.
is critical at the start-up stage of electric vehicles.
B.
has no influence on consumers' buying interest.
C.
can greatly reduce the city's pollutant emission.
D.
should support the mass adoption of electric vehicles.
【单选题】In front of the reading room of Yangzhou High School, a notice reads, “When you finish the book, please ________ it on the shelf.”
A.
replace
B.
twist
C.
reform
D.
pin
【单选题】--She can't see the star very well from here. ---____.
A.
Neither can't I
B.
Neither can I
C.
Neither I can
D.
I can neither
【单选题】In the Star Tracks section of the website, people can post their own samples and songs for others to download.
A.
Y
B.
N
C.
NG
【单选题】What is desired reading?
A.
Fast reading
B.
Easy reading
C.
Intellectual exchange
D.
Enjoyable reading
【多选题】肾上腺素治疗过敏性休克的原因有
A.
收缩血管、兴奋心脏，使血压升高
B.
舒张支气管，减轻粘膜水肿，从而改善呼吸困难
C.
抑制过敏性介质释放，改善过敏症状。
D.
促进代谢
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