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【单选题】
水蒸气分解成同温度的氢气和氧气,内能增加了百分之几 ( 不计振动自由度和化学能 ) ?A.
66.7 ％
B.
50 ％
C.
25 ％
D.
0
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举一反三
【单选题】Text AII. Choose the right meaning for each underlined part according to the context.We must strike at its roots which spawn hate, brutality and the senseless destruction of human lives.
A.
escalate
B.
trigger
C.
spread
D.
widen
【单选题】比杆赛中,在沙坑击球后后,球碰到站在沙坑边同组球员的球童,弹回沙坑时又滚到了自己的脚边碰到了脚上,把脚挪开时球了又滚动了半码左右,把球捡起来放回了原位,他受到的处罚是()
A.
罚两杆
B.
罚一杆
C.
罚三杆
D.
罚四杆
【单选题】We must strike a ________ between economic progress and preserving the environment.
A.
path
B.
blow
C.
bargain
D.
balance
【简答题】To ensure a steady growth in our national __________ , we must __________ effort to stimulate our __________ demand and __________ saving and consumption. (domestic, economy, earnest, strike a balance...
【单选题】We must __________ the rivers which overflow annually. Otherwise floods will frequently strike the areas along the rivers.
A.
harness
B.
make use of
C.
take advantage of
D.
utilize
【简答题】Our ancestors have passed on to us the wisdom that to ensure the long-lasting prosperity of a country, we must show ____those who ____along revolutionary paths. Such people, with their new ideas and p...
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