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【单选题】
下列插花形式中属于西方对称式构图的是A.
新月型插花
B.
三角型插花
C.
L型插花
D.
S型插花
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举一反三
【单选题】The use of cars creates particulate matter in different ways, rather than just one.
A.
Y
B.
N
C.
NG
【判断题】The link between colloid and surface follows from the fact that particulate matter has a high surface area to mass ratio.
A.
正确
B.
错误
【简答题】颗粒遗传(particulate inheritance)
【简答题】Particulate matter caused by cars is still a problem after the car has been taken off the roads forever, because particles from ______ pollute the atmosphere and water.
【简答题】It is shown that there are usually________ levels of hazardous gases, particulate matter and other chemical nasties indoors than outside.
【简答题】PM 2.5 is a particulate matter with a mean aerodynamic diameter of 2.5 _______.
【简答题】阅读理解。 Notes: **API stands for Air Pollution Index(指数). **Particulate matter (PM10) is a major component of air pollution that threatens both our health and our environment. It consists of very small l...
【简答题】Particulate Matter
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