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【简答题】
色彩推移设计的方法?
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举一反三
【简答题】平面任意力系具有 个独立的平衡方程;平面汇交力系具有 个独立的平衡方程;空间力系具有 个独立的平衡方程。
【单选题】Under the influence of Ezra Pound, Hilda Doolittle became associated whit the Imagists and _____ into one of the most original poets of the group.
A.
developed
B.
who developed
C.
to be developing
D.
developing it
【单选题】What does 'the 9:25 train' refer to?
A.
The train will leave the station at 9:25.
B.
The train will arrive at the station at 9:25.
C.
Passengers should board the train at 9:25.
D.
Passengers should get off in Oxford at 9:25.
【简答题】平面任意力系有____个独立的平衡方程,平面汇交力系有____个独立的平衡方程,平面平行力系有____个独立的平衡方程,平面力偶系有____个独立的平衡方程。
【单选题】What is Cas9 and what does it do?
A.
an RNA molecule that binds to target DNA via complementary base pairing
B.
a DNA sequence that binds the Cas9 protein
C.
a viral protein that disrupts bacterial membranes
D.
a protein enzyme that cuts both strands of DNA at sites specified by an RNA guide
【简答题】平面任意力系独立的平衡方程有______个,可解______个未知量的问题
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