“四月的早晨，广阔低平的田野一望无际，船儿在密如蛛网的河流中穿梭，微风徐来，田里

按要求做题。

1. Neither of my parents has gone abroad. (改为同义句)

My mother has ____________ gone abroad. ____________ has my father.

2. The population of China is 1.3 billion. (就画线部分提问)

___________ the population of China?

3. He has waited since he came here. (就画线部分提问)

___________  ___________  ___________ he waited?

4. It's three weeks since he left home. (改为同义句)

Three weeks ___________  ___________ since he left home.

5. He didn't go to the museum. I didn't go there, either. (合并为一句)

___________ he ___________ I ___________ to the museum.

关于肺炎的病原学诊断下列哪项错误（）。

A.用保护性导管经纤支镜取支气管分泌物培养有较高的诊断价值

B.痰培养阳性即可诊断

C.经环甲膜穿刺取气管内分泌物培养有助诊断

D.血清学检查有助诊断

E.支气管肺泡灌洗标本培养有助诊断

日本水俣病产生的原因是（）。

A.慢性铅中毒

B.慢性镉中毒

C.慢性汞中毒

D.慢性甲基汞中毒

E.慢性四乙铅中毒

中肋

LU1500-160WAI螺杆式空压机出口风压（）

A、≤0.6Mpa

B、≤0.7Mpa

C、≤0.8Mpa

D、≤0.85Mpa