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【多选题】
处于等电状态的蛋白质溶液中A.
同一蛋白质分子正负解离相等
B.
整个蛋白质溶液呈电中性
C.
正解离分子和负解离分子的数量相等
D.
蛋白质分子处于不解离状态
E.
蛋白质的溶解度最低
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【简答题】We run ___________races and ___________races. The races are exciting.
【单选题】It took them about one month to _________how to start the equipment.
A.
empty out
B.
figure out
C.
clear out
D.
try out
【单选题】It took them about one month to ______ how to start the equipment.
A.
turn out
B.
take out
C.
figure out
D.
figure for
【单选题】搜索命令computer adventure games，翻译过来是()。
A.
computer(AND)adventure(AND)games
B.
computer(OR)adventure(OR)games
C.
computer(AND)game(NOT)adventure
【单选题】It took them about one month to ______ how to start the equipment.
A.
figure out
B.
take out
C.
turn out
D.
figure for
【单选题】Yet not all of these races are (intellectual inferior) to the European races, (and) some may even have (a) freshness and vitality that can renew the 9energies) of more advanced race.
A.
intellectual inferior
B.
and
C.
a
D.
energies
【单选题】Thousands of local adventure races take place all over the globe every year.
A.
True.
B.
False.
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