But these beliefs about peptide hormones(肽激素)were questioned as laboratory after laboratory found that antiserums(抗血清)to peptide hormones, when injected into the brain, bind in places other than the hypothalamus(下丘腦), indicating that either the hormones or substances that cross-react with the antiserums are present.

　　譯文：

　　但是這些對(duì)于肽激素的信仿，被一個(gè)又一個(gè)的實(shí)驗(yàn)室質(zhì)疑，他們發(fā)現(xiàn)抗血清被注入大腦后，并不在下丘腦那里才凝固，顯示出肽激素和與抗血清反作用的物質(zhì)都不存在。

　　Dance like nobody's watching. Shake, twist, and jump around. Let yourself feel the joy of moving to your favorite music.

　　譯文：

　　盡情的跳舞吧，就像沒(méi)人看見(jiàn)一樣。搖過(guò)來(lái)扭過(guò)去，上躥下跳。聽(tīng)著你最喜歡的音樂(lè)，盡情的享受這搖擺的歡樂(lè)吧。

　　College students were a major force in the campaign, although participants of all ages were involved. Still, we cannot really credit a handful of individuals for the success of Earth Day. After all, a major message of Earth Day is that every single person has an important role in the environment.

　　譯文：

　　盡管不同年齡的參與者都參與其中，大學(xué)生是這些運(yùn)動(dòng)的主力軍。但是我們確實(shí)不能只把地球日的成功歸功于一小部分人。畢竟，地球日意味著每一個(gè)人在環(huán)境保護(hù)中都起著重要的作用。

　　The Internet allows schools to develop a large amount of learning material that is accessible for students online anytime. There are so many choices of courses and subjects or time frames that completing a program is not an issue for students anymore. We found that online education gives us excellent sources of information, saves our time, money and it is extremely convenient.

　　譯文：

　　有了因特網(wǎng)，學(xué)校能夠開(kāi)發(fā)出大量的學(xué)習(xí)材料以供學(xué)生隨時(shí)從網(wǎng)上獲取。在網(wǎng)上，學(xué)生對(duì)各種課程和時(shí)間段有多種選擇。因此，完成一項(xiàng)教育計(jì)劃對(duì)學(xué)生而言就不再成為問(wèn)題了。我們發(fā)現(xiàn)，在線教育為我們提供了絕好的信息資源，節(jié)約了時(shí)間和金錢(qián)，而且十分方便。