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【单选题】
GB/T212-2008中关于缓慢灰化法的测定陈述正确的是（）。A.
在500℃停留30min的目的是使煤样燃烧时产生的二氧化硫在碳酸盐分解前能全部溢出
B.
进行检查性灼烧，温度为（815±10）℃，每次20min，直到连续两次灼烧后的质量变化不超过0.01g为止
C.
称取一般分析实验煤样（1±0.1）g，均匀地摊平在灰皿中，使其每平方厘米的质量不超过0.25g
D.
从100℃以下升到500℃时间为半小时，并在此温度下保持30min，继续升温到（815±10）℃，并在此温度下灼烧1h
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【单选题】--- Remember to spend some time _____ your loved ones ,because they’re not going to be around forever . --- OK.
A.
from
B.
with
C.
in
D.
on
【单选题】Remember to spend some time ______ your loved ones, because they’re not going to be around forever.
A.
from
B.
with
C.
in
D.
on
【单选题】Do you still remember the key points that ___________ in his report? I don’t remember them all.
A.
referred to
B.
were referred
C.
he was referred to
D.
were referred to
【单选题】That’ s funny! I remember putting my glasses on the desk, but now they’re _____ .
A.
missed
B.
broken
C.
gone
D.
disappeared
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