南昌起义的主要领导人？ ____________________________

用括号中所给单词的适当形式填空。

1. The Browns have four children and Lucy is their ________ (old) child.

2. The experiment was lots ________ (easy) than they had expected.

3. Today many women continue to work after they get ________ (marry).

4. There were many young ________ (couple) taking part in the activity.

5. I think food that is ________ (fresh) cooked is healthier than ready-made food.

根治性膀胱切除术中，标准盆腔淋巴结清扫的范围不包括（）

A.双侧髂外动脉周围淋巴结

B.髂内动脉周围淋巴结

C.骶前淋巴结

D.闭孔淋巴结

E.膀胱周围淋巴结

某人早晨只吃了馒头和荷包蛋，当食物将要进入胃时，已发生的变化是（　　）

A．只初步消化了淀粉

B．只初步消化了脂肪

C．初步消化了蛋白质

D．只初步消化了淀粉和蛋白质

该公司购置W型设备这一投资项目的投资回报率为( )。

A．25%

B．28.57%

C．34.50%

D．38.78%

板式换热器的（）是传热元件。

A、垫片

B、活动盖板

C、金属板件

D、折流板