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【简答题】
歌唱的声音,女高音可以细分为()、()、()声部。
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举一反三
【单选题】将函数y=sin2x的图象向左平移 个单位,再向上平移1个单位,所得图象的函数解析式是 [     ]
A.
y=cos2x
B.
y=2sin 2 x
C.
y=2cos 2 x
D.
y=
【简答题】Why do we need trees? Humans, and actually all other creatures,live on a gas called oxygen. Oxygen is one of the gases found in air and every singlecell inside you needs the oxygen you inhale for ener...
【单选题】婴幼儿对周围环境中突然出现的较大声响反应淡漠,应考虑是否有()异常。
A.
视力
B.
听力
C.
感觉
D.
知觉
【判断题】The hormone erythropoietin, which is produced by the bone marrow in response to low oxygen supply.
A.
正确
B.
错误
【单选题】函数y=sin2x的图象向左平移 个单位再向上平移1个单位,所得图象的函数解析式是
A.
y=cos2x
B.
y=2cos 2 x
C.
D.
y=2sin 2 x
【单选题】()婴幼儿听力异常的表现
A.
对周围环境中突然出现的较大声响反应淡漠
B.
你逗他他也会很开心的笑
C.
平常唱歌他也会跟着哼
D.
听到熟悉的声音会停止哭泣
【单选题】将函数y=sin2x的图象按向量( π 2 ,1 )平移后得到的图象对应的函数解析式是(  )
A.
y=cos2x+1
B.
y=-cos2x+1
C.
y=sin2x+1
D.
y=-sin2x+1
【简答题】make black white
【单选题】What __________ will it make whether Mr.Black tells us the story early or not? [     ]
A.
sense
B.
difference
C.
mistake
D.
use
【单选题】What does the oxygen-heat price of food mean?
A.
Energy released by oxidation of 1 gram of food
B.
Energy released when food oxidation consumes 1 liter of oxygen
C.
The energy released when 1 g ram of food is consumed by 1 liter of oxygen
D.
The energy released by 1 gram of food during metabolism in the body
E.
The heat produced by burning 1 gram of food in vitro
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