They found ­_______very hard to move the

—I have tried very hard to find a solution to the problem, but in vain.

—Why not discuss with Frank? You see, _________.

A．two heads are better than one

B．a bird in the hand is worth two in the bush

C．it’s better to think twice before doing something

D．great minds think alike

有以下语句：int b;char c[10]; ，则正确的输入语句是______。

A．scanf("%d%s",＆b,＆c);

B．scanf("%d%s",＆b,c);

C．scanf("%d%s",b,;

D．scanf("%d%s",b,＆c);

男性，30岁，以感染性休克入院，入院后，咳粉红色痰，气短，血动脉氧分压降60mm- Hg以下，应首先考虑

A．急性左心衰竭

B．肺泡毛细血管广泛破裂

C．ARDS

D．肺内继发性炎症

．于良史的五律《春山夜月》的八句诗恰当的排列顺序是

①欲去惜芳菲  ②南望鸣钟处 ③赏玩夜忘归  ④掬水月在手  

⑤春山多胜事  ⑥兴来无远近 ⑦楼台深翠微  ⑧弄花香满衣

A．③⑤②④⑧①⑦⑥

B．⑤③④⑧⑥①②⑦

C．⑤⑥①③④⑧⑦②

D．⑥⑤③②⑧④⑦①

EGR阀好坏与发动机怠速无关。