GC-MS关机前先关闭()。
A.载气
B.各加热模块
C.泵
D.GC-MS电源
参考答案:B
Don't blame him for breaking that vase. ____ he is a child. [ ]
A. Even though
B. In fact
C. After all
D. At first
读“土耳其海峡图”,回答:
(1)A______海峡;B______海;C______海峡.
(2)土耳其海峡是______洲和______洲的界线.
(3)土耳其海峡属于______国家,因此______市是地跨两洲的城市,该国属于地跨两洲的国家.
(4)土耳其海峡连接了①______海和②______海.