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【单选题】
由于CO2焊的CO2气体具有氧化性，可以抑制()的产生。A.
CO气孔
B.
氢气
C.
氮气
D.
NO气孔
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【单选题】She stayed at work late ____ she could complete the report.
A.
so
B.
so that
C.
Either could be used here
【单选题】锗酸铋（Bi 4 Ge 3 O 12 ）是我国研制的一种闪烁晶体材料．已知锗酸铋中锗（Ge）的化合价为+4价，则锗酸铋中铋（Bi）的化合价为（ ）
A.
+4
B.
+3
C.
+2
D.
+l
【单选题】Domestic courts are _________ to carry out certain tasks to further international commercial arbitration.
A.
empowered
B.
emptied
C.
employed
D.
emigrated
【单选题】What are the consequences of violating the basic principles of international law?
A.
States will bear certain international responsibilities
B.
States will be judged by any foreign domestic courts
C.
States will be expelled from international community
D.
States will be deprived the rights of concluding any international treaties
【简答题】目前技术转移中最受关注和最为重要的方式是（ ）。
【单选题】锗酸铋（Bi 4 Ge 3 O 12 ）是我国研制的一种闪烁晶体材料。已知锗酸铋中锗（Ge）的化合价为+4，则锗酸铋中铋（Bi）的化合价为 [ ]
A.
+4
B.
+3
C.
+2
D.
+1
【单选题】She stayed at work late ______ she could complete the report on time.
A.
that
B.
in order to
C.
so that
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