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【单选题】
图示电路 ab 端戴维宁等效电路的等效参数是( )A.
U OC = 7 V ， R 0 = 8 Ω
B.
U OC = 12 V ， R 0 = 5 Ω
C.
U OC = 7 V ， R 0 = 10 Ω
D.
U OC = 12 V ， R 0 = 8 Ω
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【单选题】What does the 'exasperated Krauss' mean when he talks about the adience?
A.
He disagrees there should be a representative debate.
B.
He stresses that what these people require is reasonable.
C.
He insists that different opinions should be presented in school.
D.
He rejects the idea that we should teach whatever is presented.
【单选题】He is a (an) ______ and well-behaved child, but his parents worry about him for he talks too little.
A.
obedient
B.
transient
C.
conscious
D.
passionate
【简答题】体外培养的胚胎干细胞在无分化抑制剂的条件下,可自发分化形成 ,将一定量的胚胎干细胞注射入同源动物皮下,可形成 ,将其与受体胚胎结合,并移植入母体,最终可得到 。
【简答题】连词组句。 1. talks, he, the, on, phone ___________________. 2. watches, TV, he, in, the, evening __________________________. 3. he, on, the computer, plays, in, the, afternoon ____________________________...
【单选题】He is a(n) ______ and well-behaved child, but his parents worry about him for he talks too little.
A.
obedient
B.
transient
C.
conscious
D.
passionate
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