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【判断题】
按FOB、CFR、CIF三种贸易术语成交，货物在装运港船上以后，风险即告转移。因此，货到目的港后买方如果发现到货品质、数量、包装等有任何与合同规定不符的情况，卖方概不承担责任。A.
正确
B.
错误
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【简答题】...during those eight hours you will be using your professional skills. (para. 5) What is the tense used here? What is the difference between this tense and the future? 15. You will see to it t...
【单选题】A student builds a simple circuit with a single resistor of resistance R and measures an electric potential difference of Δ V 1 across the resistor. Then, the student replaces the resistor with a new ...
A.
Δ V 1 =4 Δ V 2
B.
4Δ V 1 = Δ V 2
C.
Δ V 1 =2 Δ V 2
D.
2Δ V 1= Δ V 2
【单选题】A student builds a simple circuit with a single resistor with resistance 2 R and measures an electric potential difference Δ V across the resistor. Then, the student replaces the resistor with a new o...
A.
I 2 =4 I 1
B.
16I 2 = I 1
C.
4I 2 = I 1
D.
I 2 =16 I 1
【单选题】What are the characteristics about the electric remote control system in operation?
A.
simple and common
B.
small and common
C.
simple and small
D.
simple and reliable
【单选题】下列关于栈的描述中正确的是( ).
A.
在栈中只能插入元素而不能删除元素
B.
在占中只能删除元素而不能插入元素
C.
栈是特殊的线性表,只能在一端插入或删除元素
D.
栈是特殊的线性表,只能在一端插入元素,而在另一端删除元素
【简答题】下列关于栈的描述中正确的是 A)在栈中只能插入元素而不能删除元素 B)在栈中只能删除元素而不能插入元素 C)栈是特殊的线性表，只能在一端插入或删除元素 D)栈是特殊的线性表，只能在一端插入元素，而在另一端删除元素
【单选题】A student builds a simple circuit with a single resistor of resistance R and current I , and measures an electric potential difference of Δ V 1 across the resistor. Then, the student decreases the cur...
A.
Δ V 2 =4 Δ V 1
B.
4Δ V 2 = Δ V 1
C.
2Δ V 2 = Δ V 1
D.
Δ V 2 =2 Δ V 1
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