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【简答题】Fred: When do you usually have your computer class?Jane: ______.
【单选题】甲、乙、丙三组小鼠不同的免疫器官被破坏,其中甲组仅有体液免疫功能,乙组和丙组丧失了特异性免疫功能。现给三组小鼠分别输入造血干细胞,发现仅有乙组恢复了细胞免疫功能。有关原因分析,正确的是
A.
甲组胸腺被破坏，乙组骨髓被破坏，丙组骨髓和胸腺均被破坏
B.
甲组骨髓被破坏，乙组胸腺被破坏，丙组骨髓和胸腺均被破坏
C.
丙组骨髓被破坏，甲组胸腺被破坏，乙组骨髓和胸腺均被破坏
D.
乙组骨髓被破坏，丙组胸腺被破坏，甲组骨髓和胸腺均被破坏
【单选题】—Miss Sun has taught_____ Chinese for about 10 years. —You are lucky. _____ is a very good teacher.
A.
ours ; She
B.
our ; He
C.
us; She
D.
us ; He
【单选题】Wait a minute! The headmaster has to tell you.
A.
anything important
B.
nothing important
C.
something important
D.
important something
【单选题】—____? —When she was seventeen.
A.
When was Jane born
B.
Who do you admire
C.
How old was Jane
D.
When did Jane win the Olympic medal
【单选题】What is the result of the major oil explorers’ change in exploration?
A.
Improved returns at lower prices
B.
Improved returns at higher prices
C.
High costs and high risks
D.
High risks and improved returns
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