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举一反三
【简答题】郁金与姜黄皆具活血、行气止痛之功，但郁金又有____、清心凉血、利胆退黄的功效；姜黄又有____的功效。
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【单选题】SECTION 3 Directions: Each passage in this group is followed by questions based on its content. After reading a passage, choose the best answer to each question. Answer all questions following a passa...
A.
explaining the process by which the Earth and its oceans accreted
B.
reporting how recent research has arrived at a new explanation for the constitution of the Earth's oceans
C.
accounting for the chemical composition of the various ingredients of the Earth's oceans
D.
contrasting various competing hypotheses as to what the Earth's oceans consist of
E.
reporting inconsistencies with the result of new research into the composition of the Earth's oceans
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【单选题】《复兴之路》展览,回顾了中华民族的昨天、展示了中华民族的今天、宣示了中华民族的明天,习近平用( )诗句生动叙说了中华民族的今天。
A.
“雄关漫道真如铁”
B.
“人间正道是沧桑”
C.
“长风破浪会有时”
D.
“千磨万击还坚劲”
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【单选题】Using Bohr's equation for the energy levels of the electron in the hydrogen atom, determine the energy (J) of an electron in the n = 4 level. __________ .
A.
-1.36 x 10-19
B.
-5.45 × 10 -19
C.
-7472.12
D.
-47.4
E.
-10.6
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【单选题】《复兴之路》展览,回顾了中华民族的昨天、展示了中华民族的今天、宣示了中华民族的明天,习近平用()诗句生动叙说了中华民族的昨天。
A.
“长风破浪会有时”
B.
“千磨万击还坚劲”
C.
“雄关漫道真如铁”
D.
“人间正道是沧桑”
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【简答题】姜黄的功效有___、___。
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【简答题】A molecule is another tiny particle of matter which is made up of a combination of atoms .A molecule of water ,for example ,consists of two atoms of hydrogen and one of oxygen; a molecule of ordinary ...
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【单选题】Which of the following properties is the main shortcoming of Bohr’s model of the hydrogen atom?
A.
The electron moves around the nucleus in circular orbits .
B.
The electron can only exist in certain discrete orbits
C.
The electron can jump between different orbits.
D.
There exists a smallest orbit for the electron.
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【单选题】国家博物馆的《复兴之路》展览，回顾了中华民族的昨天，展示了中华民族的今天，宣示了中华民族的明天。中华民族的昨天，可以说是“（）”。
A.
天翻地覆慨而慷
B.
长风破浪会有时
C.
雄关漫道真如铁
D.
人间正道是沧桑
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【单选题】Each atom has a fixed number of electrons. Hydrogen, for instance, has of them.
A.
one
B.
two
C.
three
D.
four
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相关题目：
【简答题】郁金与姜黄皆具活血、行气止痛之功，但郁金又有____、清心凉血、利胆退黄的功效；姜黄又有____的功效。
查看完整题目与答案
【单选题】SECTION 3 Directions: Each passage in this group is followed by questions based on its content. After reading a passage, choose the best answer to each question. Answer all questions following a passa...
A.
explaining the process by which the Earth and its oceans accreted
B.
reporting how recent research has arrived at a new explanation for the constitution of the Earth's oceans
C.
accounting for the chemical composition of the various ingredients of the Earth's oceans
D.
contrasting various competing hypotheses as to what the Earth's oceans consist of
E.
reporting inconsistencies with the result of new research into the composition of the Earth's oceans
查看完整题目与答案
【单选题】《复兴之路》展览,回顾了中华民族的昨天、展示了中华民族的今天、宣示了中华民族的明天,习近平用( )诗句生动叙说了中华民族的今天。
A.
“雄关漫道真如铁”
B.
“人间正道是沧桑”
C.
“长风破浪会有时”
D.
“千磨万击还坚劲”
查看完整题目与答案
【单选题】Using Bohr's equation for the energy levels of the electron in the hydrogen atom, determine the energy (J) of an electron in the n = 4 level. __________ .
A.
-1.36 x 10-19
B.
-5.45 × 10 -19
C.
-7472.12
D.
-47.4
E.
-10.6
查看完整题目与答案
【单选题】《复兴之路》展览,回顾了中华民族的昨天、展示了中华民族的今天、宣示了中华民族的明天,习近平用()诗句生动叙说了中华民族的昨天。
A.
“长风破浪会有时”
B.
“千磨万击还坚劲”
C.
“雄关漫道真如铁”
D.
“人间正道是沧桑”
查看完整题目与答案
【简答题】姜黄的功效有___、___。
查看完整题目与答案
【简答题】A molecule is another tiny particle of matter which is made up of a combination of atoms .A molecule of water ,for example ,consists of two atoms of hydrogen and one of oxygen; a molecule of ordinary ...
查看完整题目与答案
【单选题】Which of the following properties is the main shortcoming of Bohr’s model of the hydrogen atom?
A.
The electron moves around the nucleus in circular orbits .
B.
The electron can only exist in certain discrete orbits
C.
The electron can jump between different orbits.
D.
There exists a smallest orbit for the electron.
查看完整题目与答案
【单选题】国家博物馆的《复兴之路》展览，回顾了中华民族的昨天，展示了中华民族的今天，宣示了中华民族的明天。中华民族的昨天，可以说是“（）”。
A.
天翻地覆慨而慷
B.
长风破浪会有时
C.
雄关漫道真如铁
D.
人间正道是沧桑
查看完整题目与答案
【单选题】Each atom has a fixed number of electrons. Hydrogen, for instance, has of them.
A.
one
B.
two
C.
three
D.
four
查看完整题目与答案