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【简答题】
根据生长量是否有上限,花、茎的节间等器官的生长属于_______生长类型;而营养生长中的茎尖和根尖生长属于_______生长类型。
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反馈参考答案：
举一反三
【单选题】In the circuit, given that 、 , the power supplied by the element is:
A.
12W
B.
-12W
C.
-1W
D.
7W
【单选题】在第一肝门区出入的管道结构是: 1 门静脉;2 肝固有动脉;3胆总管;4 肝静脉 A、123 B、13 C、24 D、4 E、1234
A.
①②③
B.
①③
C.
②④
D.
④
E.
①②③④
【简答题】三、 Translation (每题 5分,共25分) Directions: Read the following text carefully and then translate the underlined segments into Chinese. Your translation should be written clearly on ANSWER SHEET. Within th...
【判断题】In a whole circuit,the total power supplied equals the total power absorbed.A. √ B. ×
A.
正确
B.
错误
【单选题】In the circuit, the power supplied by the voltage source is 12 W,then the resistance R is:
A.
2Ω
B.
6Ω
C.
3Ω
D.
1Ω
【单选题】The power supplied by the elements in the circuit is 1 W, and the voltage is ( ).
A.
50 V
B.
-50 V
C.
0.5 V
D.
-0.5 V
【单选题】The tide of emigration in the 17th century refers to
A.
the exploration of new lands by sea
B.
people moving from Europe to America
C.
trade exchanges between Asia and Europe
D.
export of slaves to America
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