If H2 burn in O2, we can get _____.
#29282
A
H2
B
H2O
C
O2
D
H2O2
推荐题目
--- What’s your favourite subject, Mike? --- _________. It’s interesting.
#28607
A
Toys
B
Math
C
T-shirts
D
E-mails
— What are the _______ doing there?— They are busy _______ their science experiment.
#29439
A
Boys students; to do
B
Boy students; to do
C
Boys students; doing
D
Boy students; doing
— With whom did you watch 2010 World Cup Opening Ceremony ?— _________.
#29747
A
A friend of mine
B
A friend of me
C
A friend of my sister
D
A friend of you
These natural disasters have warned us that everyone should start to protect the _____ immediately.
#29817
A
amusement
B
development
C
environment
D
government