右图中有关弯道速度、外力作用和沿岸人类活动的组合正确的是( ) A．a—侵蚀—

词汇运用

1．He left the city,________(决心) never to come back.

2．What he said was very ________(有说服力的) and at last we all accepted his idea.

3．Yesterday he ________(录制) this song by Liu Huan,using his ________(录音机)．

4．Choose three places to visit and find out the oneway fare to get there for different kinds of _____

      (交通方式)．

5．We are all looking froward to the World Cup ________(决赛)．

6．He said he had ________(做梦) a terrible ________(梦) the night before.

7．He ________(坚持) that we should set out at 7.

8．The dying man is ________(呼吸) with great difficulty.

9．I had many interesting ________(经历) while travelling in Africa.

10．Now all the teenagers are ________(熟悉) with the Super Girls.

干货涨发加工是一项有相当难度的工艺技术。

张某，男，47岁，因肺炎用抗生素连续治疗，近日发现口腔黏膜有白色附着物，用棉签拭去附着物可见出血，考虑口腔病变是由于( )

A．维生素缺乏
B．凝血功能障碍
C．铜绿假单胞菌感染
D．病毒感染
E．真菌感染

机床的空载试验主要是检验在无载荷状态下，机床各机构的运转状态、( )和操作机构的灵活性。

A．温度变化

B．功率消耗

C．安全性

D．可靠性

E．生产性

对于锅炉部件、外购材料，应核查合金钢材料及焊口光谱分析记录，并对合金钢管材进行不少于（）%的光谱分析抽查。

A、3

B、5

C、8