下列关于有机物的说法中，正确的是( )
| A．用新制的Cu(OH)2悬浊液可检验尿液中的葡萄糖 |
| B．苯、乙醇和乙烯都能发生加成反应 |
| C．石油分馏可获得乙烯、苯及其衍生物 |
| D．(NH4)2SO4、CuSO4均能使蛋白质变性 |
相关试题
Charles was alone at home, with_______ looking after him.
| A．someone | B．anyone | C．not one | D．no one |
It is often ______ that human beings are naturally equipped to speak.
| A．said | B．to say | C．saying | D．being said |
I’m sure that your letter will get______ attention. They know you’re waiting for the reply. 
| A．continued | B．immediate | C．careful | D．general |
All the dishes in this menu, ______ otherwise stated, will serve two to three people. 
| A．as | B．if | C．though | D．unless |
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