有趣的長難句29
昨天的正確答案是D藕筋，小伙伴們答對了嗎概疆？昨天的答案里有個(gè)小陷阱雀久，由于受到周遭環(huán)境的影響，沉積物的物理或化學(xué)物質(zhì)發(fā)生了變化愕难，通過觀察這些變化，人們可以推測當(dāng)時(shí)的天氣情況，因此猫缭，B答案里有個(gè)“in order to”的誤導(dǎo)葱弟，人們觀察沉積物的物質(zhì)變化不是為了推斷氣候的變化，而是因?yàn)闅夂蜃兓挥涗浽诹顺练e物的物質(zhì)變化中猜丹，人們才去觀察沉積物的翘悉。行為和目的顛倒，是這個(gè)考題的難點(diǎn)居触。
今天的題目選自《Orientation and Navigation》妖混，遷徙鳥類的定向和定位的本領(lǐng)一直令研究者感到驚奇，一些科學(xué)家會捉些鳥兒進(jìn)行這方面的實(shí)驗(yàn)轮洋，他們想找出鳥兒的導(dǎo)航儀和指南針制市。一些研究者說鳥兒定向是白天靠太陽，夜晚靠星星弊予。也有一些研究者說沒有太陽也沒有星星的時(shí)候祥楣，鳥兒靠南北極的地磁力導(dǎo)航。遷徙鳥兒千百年來將定向和定位的本領(lǐng)代代傳遞下來汉柒，也是自然界的奇跡误褪。
He then set up experiments with caged starlings and found that their orientation was, in fact, in the proper migratory direction except when the sky was overcast, at which times there was no clear direction to their restless movements.
Which of the sentences below best expresses the essential information in the highlighted sentence in the passage?
A. Experiments revealed that caged starlings displayed a lack of directional sense and restless movements.
B. Experiments revealed that caged starlings were unable to orient themselves in the direction of their normal migratory route.
C. Experiments revealed that the restless movement of caged starlings had no clear direction.
D. Experiments revealed that caged starlings' orientation was accurate unless the weather was overcast.
ABCD四個(gè)答案哪個(gè)是正確的？解答長難句碾褂，鍛煉理解力兽间。
