The reason why he adapted to the new situations quickly is that he has a_____ attitude.

With lasers scientists can probe many physical processes, such as combustion, once beyond our ken.视野

---I left my handbag on the train, but luckily someone gave it to a railway official.

---How unbelievable to get it back! I mean, someone ______ it.

------ I hear you ____ in apub .what ’sit like?

------ Well ,it ’s very hand work and I ’m always tired , but I don ’t mind.

The Native American interpreter Sacajawea was a valuable member of the Lewis and dark expedition in 1805.

与“法律面前人人平等”思想对立的思想观念是

Blue－green algae grow abundantly in salt marshes.

An early typewriter produced letters quickly and neatly; the typist, _____couldn't see his work on his machine.

社会工作的目标可分为过程目标和任务目标。下列行动属于实现任务目标的是()。

All living organisms, regardless of their unique identity, have certain biological, chemical, and physical characteristics in common.