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【单选题】
关于波动光学说法正确的是A.
以光线为基础，讨论物像关系
B.
以光子为基础，讨论光的能量分布
C.
以光波为基础，研究干涉和衍射现象
D.
以波动理论研究光的传播及光与物质的相互作用
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反馈参考答案：
举一反三
【多选题】关于肺巨噬细胞的描述哪些正确
A.
来源于血液中的单核细胞
B.
广泛存在于肺间质
C.
有的经呼吸道随粘液被咳出
D.
有的游走进入肺泡腔
E.
发挥重要的免疫防御作用
【单选题】The sentence the seniors create a sense of meaning for themselves means the seniors ______.
A.
acquire a new meaning of their lives
B.
understand the meaning of the web
C.
create a web site for themselves
D.
add a new meaning to the web
【单选题】For many seniors in some universities, the final year can be an unpleasant experience, _______ that ends the campus romance.
A.
which
B.
the one
C.
what
D.
one
【单选题】In a history class that consisted of 30 students, the number of seniors was 3 more than twice the number of juniors, and 3/10 of the students were neither juniors nor seniors. Column A Column B The nu...
A.
if the quantity in Column A is greater
B.
if the quantity in Column B is greater
C.
if the two quantity are equal
D.
if the relationship cannot be determined from the information given
【单选题】What do we learn about the seniors in the Brookdale community?
A.
Most of them are interested in using the Sentab.
B.
They are quite at ease with high-tech products.
C.
They have much in common with seniors elsewhere.
D.
Most of them enjoy a longer life than average people.
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