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【单选题】
As winter ______ the weather became colder.A.
appeared
B.
severed
C.
started
D.
approached
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反馈参考答案：
举一反三
【简答题】对某边进行往返观测，得观测值分别为87.213m和87.226m，则观测结果为 m。
【单选题】Now more and more people walk or ride bikes instead of taking the taxi to reduce pollution. [ ]
A.
air
B.
soil
C.
water
D.
noise
【简答题】阅读理解 China's government has been trying all measures to reduce pollution in the past few years. Now people can enjoy a fresh environment everywhere. The following two graphs are adopted from the colum...
【单选题】We are confident that the environment ________ by our further efforts to reduce pollution.
A.
improves
B.
will be improved
C.
has improved
D.
was improved
【单选题】Their chief aim is to reduce pollution in the area.
A.
the amount of
B.
rely on
C.
respond to
D.
deal with
【简答题】We have been trying all measures to reduce pollution in the past few years. Now people can enjoy a fresh environment everywhere. The following two graphs are adopted from the column of “City Informat...
【简答题】对某边往、返观测,得观测值分别为87.213米和87.226米。则观测结果为________米。
【简答题】对某边进行往返观测,得观测值分别为87.213m和87.226m,则观测结果为 ,相对误差为 。
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