吸氧时湿化瓶内装入1/2~2/3的蒸馏水或冷开水。
参考答案:错
读“亚洲气候类型分布图”,完成下列要求:
(1)由图可知:回归线经过的大陆东岸降水______(填“多”或“少”).
(2)读图可知:亚洲气候具有复杂多样,______气候显著,______气候分布广的特点.
—Your flight was quite late last night.
—Yes, it was midnight __________ our plane finally got to Jinan.
A.that
B.when
C.since
D.until