首页
登录
职称英语
What is the main idea of the passage? [br] The passage suggests that oxygen rema
What is the main idea of the passage? [br] The passage suggests that oxygen rema
游客
2024-01-05
67
管理
问题
What is the main idea of the passage? [br] The passage suggests that oxygen remained in the atmosphere because ______.
选项
A、it was caused by outgassing
B、it was heavier than hydrogen
C、hydrogen became trapped in limestone
D、rays from the sun created equal amounts of hydrogen and oxygen ______.
答案
B
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3334723.html
相关试题推荐
Inthemiddlepart,Klaraneedstousea______.[br]Theprofessorsuggeststh
Inthemiddlepart,Klaraneedstousea______.[br]Theprofessorsuggests__
Martaworkedpart-timeasa______.[br]Jeffsuggeststhatapersonalstatemen
WhichTWOmaterialscanbeusedasasubstratum?A.oxygen-richsolution
WhichTWOmaterialscanbeusedasasubstratum?A.oxygen-richsolution
ThespeakersuggestsostrichfarmsareprofitablebecauseA、littleinitialoutlay
Choosethecorrectletter,A,BorC.[br]Theprofessorsuggeststhatinfivey
CreatingartificialgillsBackgroundTakinginoxygen;mammals—lungs;fish
CreatingartificialgillsBackgroundTakinginoxygen;mammals—lungs;fish
CreatingartificialgillsBackgroundTakinginoxygen;mammals—lungs;fish
随机试题
Inmostpeople’smind,growthisassociatedwithprosperity.Wejudgehowwe
Whatdoconsumersreallywant?That’saquestionmarketresearcherswouldlo
[audioFiles]audio_eusm_j02_001(20082)[/audioFiles]A、Allthedressesinthatsec
TherecentannouncementthatGPs(全科医生)maysendpatientswithdepressionaway
Lastyear’seconomyintheUnitedStatesshouldhavewontheOscarforbest
机动车驾驶证遗失的,机动车驾驶人应当向机动车驾驶证核发地或者核发地以外的车辆管理
注入大量低渗溶液可导致A.红细胞聚集 B.红细胞不变 C.红细胞皱缩 D.
漏斗骨盆,出口6.5cm,若估计胎儿体重为3500g以上,其分娩方式应为A.胎吸
入汤剂宜包煎的药物是A旋覆花 B白芥子 C苦杏仁 D苏子 E前胡
上牙槽神经阻滞麻醉后,允许拔牙的时机是A.腭侧牙龈感觉丧失后 B.颊侧牙龈感觉
最新回复
(
0
)