Why did one scientist expose birds to artificial daylight（） A: To test the relationship between daylight and a disease of the glands common to birds. B: To test the relationship between daylight and migration. C: To test the relationship between migration and temperature. D: To test the relationship between daylight and changes in the season.
Why did one scientist expose birds to artificial daylight（） A: To test the relationship between daylight and a disease of the glands common to birds. B: To test the relationship between daylight and migration. C: To test the relationship between migration and temperature. D: To test the relationship between daylight and changes in the season.
人口流动 未知类型：{'label': 'questionDesc', 'content': '为下面词语选择合适的表达方式。', 'isMemberControl': 0, 'type': 181} A: population migration B: seasonal migration C: mass migration
人口流动 未知类型：{'label': 'questionDesc', 'content': '为下面词语选择合适的表达方式。', 'isMemberControl': 0, 'type': 181} A: population migration B: seasonal migration C: mass migration
The passage is mainly about （）. A: living things on the move B: the most famous migration C: mice in northern Europe D: migration of lobsters
The passage is mainly about （）. A: living things on the move B: the most famous migration C: mice in northern Europe D: migration of lobsters
Global migration has decreased practically everywhere. A.Although the number of Asian migrants has increased, their share of the global number of migrants has decreased from nearly _______ percent in _______ to _______ percent in _______. B. The number of international migrants has decreased in _______, _______ and the _______, _______ and _______. Only _______ and the former Soviet Union have seen a sharp increase in migration. C. The top three migrant-receiving countries are the _______, _______, and _______; the top three sending countries are China, India, and _______.
Global migration has decreased practically everywhere. A.Although the number of Asian migrants has increased, their share of the global number of migrants has decreased from nearly _______ percent in _______ to _______ percent in _______. B. The number of international migrants has decreased in _______, _______ and the _______, _______ and _______. Only _______ and the former Soviet Union have seen a sharp increase in migration. C. The top three migrant-receiving countries are the _______, _______, and _______; the top three sending countries are China, India, and _______.
Migration to the cities continues to increase in India due to .
Migration to the cities continues to increase in India due to .
The cohesion of traditional families can be destroyed by economic migration。（ ）
The cohesion of traditional families can be destroyed by economic migration。（ ）
Q6 - In general, past sea-level rise has resulted in: A: Inland migration of coastal habitats B: Seaward migration of coastal habitats C: Coastal habitats becoming shallower D: No changes in coastal habitats
Q6 - In general, past sea-level rise has resulted in: A: Inland migration of coastal habitats B: Seaward migration of coastal habitats C: Coastal habitats becoming shallower D: No changes in coastal habitats
Manyoftheworld’slanguagesaredisappearingasmoderncommunications，migration(人口迁移)andpopulationgrowthendtheisolationofethnicgroups．Atleasthalftheworld’s6，000languageswilllikelydieoutinthenextcenturyandonly5aresafe，meaningtheyarespokenbyatleastlmillionpeopleandreceivestatebacking，expertssay．
Manyoftheworld’slanguagesaredisappearingasmoderncommunications，migration(人口迁移)andpopulationgrowthendtheisolationofethnicgroups．Atleasthalftheworld’s6，000languageswilllikelydieoutinthenextcenturyandonly5aresafe，meaningtheyarespokenbyatleastlmillionpeopleandreceivestatebacking，expertssay．
Planned migration started in 1840 through theNew Zealand Company, which had been organized in London.
Planned migration started in 1840 through theNew Zealand Company, which had been organized in London.
The Biggest Celebration on Earth directed by BBC includes: A: Migration B: Reunion C: Celebration D: Gala
The Biggest Celebration on Earth directed by BBC includes: A: Migration B: Reunion C: Celebration D: Gala