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【多选题】
下列各组词,声母都是舌尖前阻的是( )。A.
杂色 参差
B.
参数 沧桑
C.
色素 栽赃
D.
彩色 思索
E.
参赛 苍松
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【简答题】阅读短文，判断正误。 I started this QQ group named CZ (Chenzhou) English club two months ago. It has twenty-eight members now. It is an English chatting place. Now we need some more friends who are interested i...
【简答题】阅读短文，判断正（T）误（F）。 I started this QQ group named CZ (Chenzhou) English club two months ago. It has twenty-eight members now. It is an English chatting place. Now we need some more friends who are intere...
【简答题】阅读短文，将文中画线部分译成汉语。 1. I started this QQ group named BQ (Baoqing) English Club two months ago . It has 30 members now. It is an English chatting place. Now we need some more members who are interested i...
【简答题】照度的符号是 ,照度的单位是 。
【简答题】词语辨析. A. add up／add to／add up to 1. Five ____ seven makes twelve. 2. The pupils are too young to ____ these figures. 3. The amount of money he makes a month ____ more than 59 000 dollars. B. calm／stil...
【单选题】假设肺通气量为7000ml/min,呼吸频率为20 次/分,无效腔容量为100ml,每分心输出量为5000ml时,其通气/血量比值为( )
A.
0.7
B.
0.8
C.
0.9
D.
1.0
E.
1.2
【单选题】光照度指单位受照面积内所接受的光通量。光照度的单位是( )。
A.
坎德拉（ Cd ）
B.
勒克斯（ lx ）
C.
流明（ lm ）
D.
坎德拉 / 平方米（ Cd/m 2 ）
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