Women could and did play a part in this process of settlement. Iceland, for instance, was uninhabited, and a permanent population could only be established if women also made the journey there. (后一句的具体事例为前一句提供说明与解释。)
People borrowed more and more money so that they could buy these shares. Because of this, the American people started to believe that share prices could only go up further. (“because of”明显的因果关系)
Astronomy is a science that deals with all the celestial bodies in the universe. Astronomy includes the study of plan and their satellites, com and meteors, stars and interstellar matter, star systems and clusters. (后一句是对前一句celestial bodies 的进一步解释)
Previously it was believed that due to the Archaeopteryx’s (始祖鸟) underdeveloped anatomy, it would not have been able to fly. However, research by the London Natural History Museum into its brain developed and that it had good vision and a good sense of balance —all the requirements for a creature to be able to fly. (“However”转折对比)
There has been an upsurge of interest in chamber music. Likewise opera is receiving a boost from increased record sales.'
and, furthermore, more, than, that, also, likewise, moreover, in addition, what is more, for instance, for example
I’d like to go but I’m too busy.
although, however, on the contrary, but, in spite of, otherwise, despite, nevertheless, yet
As a result of the pilots’ strike, all flights have had to be cancelled.
All flights have had to be cancelled as a result of the pilots’ strike.
for, thus, because, for this reason, so, therefore, as, since, consequently
Internet speeds communication between companies, among co-workers through video-conferences, and among other individuals. First, media companies use the Internet for online news, or to broadcast audio and video, including live radio and television pr**rams, while individuals use the Internet for communication, entertainment, finding information, buying and selling goods and services. Second, the notion of distance disappears thanks to the Internet. People also enjoy instant messaging to exchange text messages or pictures in real time, with real-time video and sound. Finally, scientists and scholars use the Internet to perform research, distribute lecture notes or course materials to students, they communicate with colleagues, and can also publish papers and articles.
first, second, third, and so on, then, after, before, next, last, afterward, finally
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