皮皮学，免费搜题
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搜题
【单选题】
白化症的根本原因之一是由于先天性缺乏A.
酪氨酸转氨酶
B.
苯丙氨酸羟化酶
C.
酪氨酸酶
D.
尿黑酸氧化酶
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反馈参考答案：
举一反三
【简答题】The systems include the fuel (supply) system, the lubrication system, the cooling system, the ignition system and the starting system.
【简答题】Identify the English names of the starting system according to the picture.
【单选题】【2014年计算机联考真题】下列程序段的时间复杂度是( )。 count t=0; for(k=1;k<=n;k*2) for(j=1;j<=n;j++) count++;
A.
O(log 2 n)
B.
O(n)
C.
O(nlog 2 n)
D.
O(n 2 )
【单选题】In the starting system, the automatic valve is controlled by , and the cylinder start valves are controlled by .
A.
pilot air; pilot air
B.
handle; solenoid
C.
handle; pilot air coming through the distributor
D.
solenoid; pilot air coming through the distributor
参考解析：
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