蕈菌菌丝中双核细胞的大量繁殖须借助（）。
A、减数分裂
B、锁状联合
C、准性生殖
D、有丝分裂
参考答案：B
下面四幅图中，应用了克隆技术的是
(2013·高考新课标全国卷Ⅱ)Only by increasing the number of doctors by 50 percent ________ properly in this hospital.
A．can be the patients treated
B．can the patients be treated
C．the patients can be treated
D．treated can be the patients
