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【判断题】

The Total Physical Response method emphasizes comprehension and the use of physical actions to teach a foreign language at an introductory level.（）

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第1题
[] The ORDERS table has these columns: ORDER_ID NUMBER(4) NOT NULL CUSTOMER_ID NUMBER(12) NOT NULL ORDER_TOTAL NUMBER(10,2) The ORDERS table tracks the Order number, the order total, and the customer to whom the Order belongs. Which two statements retrieve orders with an inclusive total that ranges between 100.00 and 2000.00 dollars? （） The ORDERS table has these columns: ORDER_ID NUMBER(4) NOT NULL CUSTOMER_ID NUMBER(12) NOT NULL ORDER_TOTAL NUMBER(10,2) The ORDERS table tracks the Order number, the order total, and the customer to whom the Order belongs. Which two statements retrieve orders with an inclusive total that ranges between 100.00 and 2000.00 dollars? （）

A、A. SELECT customer_id, order_id, order_total FROM orders RANGE ON order _ total (100 AND 2000) INCLUSIVE;  B、B. SELECT customer_id, order_id, order_total FROM orders HAVING order _ total BETWEEN 100 and 2000;  C、C. SELECT customer_id, order_id, order_total FROM orders WHERE order _ total BETWEEN 100 and 2000;  D、D. SELECT customer_id, order_id, order_total FROM orders WHERE order_total>= 100 and <= 2000;  E、E. SELECT customer_id, order_id, order_total FROM orders WHERE order_total>= 100 and order_total <= 2000;  

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第2题
[单选题] Which of the following statements is true concerning simple parallel resistance circuits?（）

A、The total current flow equals the sum of the individual currents  B、The total current flow equals the reciprocal of the sum of the individual currents  C、The total resistance equals the sum of the individual resistance  D、The total voltage equals the sum of the individual voltages across each resistance  

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第3题
[多选题] The ORDERS table has these columns: The ORDERS table tracks the Order number, the order total, and the customer to whom the Order belongs. Which two statements retrieve orders with an inclusive total that ranges between 100.00 and 2000.00 dollars?（）

A、SELECT customer_id, order_id, order_total FROM orders RANGE ON order_total (100 AND 2000) INCLUSIVE;  B、SELECT customer_id, order_id, order_total FROM orders HAVING order_total BETWEEN 100 and 2000;  C、SELECT customer_id, order_id, order_total FROM orders WHERE order_total BETWEEN 100 and 2000;  D、SELECT customer_id, order_id, order_total FROM orders WHERE order_total >= 100 and <= 2000;  E、 SELECT customer_id, order_id, order_total FROM orders WHERE order_total >= 100 and order_total <= 2000;  

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第4题
[多选题] The ORDERS table has these columns: ORDER_ID NUMBER(4) NOT NULL CUSTOMER_ID NUMBER(12) NOT NULL ORDER_TOTAL NUMBER(10,2) The ORDERS table tracks the Order number, the order total, and the customer to whom the Order belongs. Which two statements retrieve orders with an inclusive total that ranges between 100.00 and 2000.00 dollars? （）

A、SELECT customer_id, order_id, order_total FROM orders RANGE ON order _ total (100 AND 2000) INCLUSIVE;  B、SELECT customer_id, order_id, order_total FROM orders HAVING order _ total BETWEEN 100 and 2000;  C、SELECT customer_id, order_id, order_total FROM orders WHERE order _ total BETWEEN 100 and 2000;  D、SELECT customer_id, order_id, order_total FROM orders WHERE order_total>= 100 and <= 2000;  E、SELECT customer_id, order_id, order_total FROM orders WHERE order_total>= 100 and order_total <= 2000;  

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第5题
[单选题] A user is receiving an error about not having enough virtual memory. A technician wants to manually set the amount of available virtual memory for the computer. At a MINIMUM， the technician should set the virtual memory to be which of the following？（）

A、0.5 times the amount of physical memory  B、1.5 times the amount of physical memory  C、2 times the amount of physical memory  D、Equal to the amount of physical memory  

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第6题
[单选题] What is jitter？（）

A、The total end-to-end delay  B、The variations of delay.  C、The delay caused by placing the bits on the wire.  D、The time it takes for the bits to transit the physical media.  

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第7题
[单选题] Which of the following statements concerning a simple parallel resistance circuit is correct?（）

A、The voltage drop across each resistor is the same  B、The total current flow equals the reciprocal of the sum of the individual currents  C、The total resistance equals the sum of the individual resistances  D、The total voltage equals the sum of the individual voltages across each resistance  

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第8题
[单选题] The abbreviation "TDS" about the potable water probably means （）.

A、total dissolved solids  B、temperature of distillation of sea water  C、total dissolved sodium  D、total delivery system  

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第9题
[单选题] An administrator is trying to extend an existing volume group with a new hard disk, but the extendvg command returns the following error. 0516-1162 /usr/sbin/extendvg. Warning, The Physical Partition Size of 64 requires the creation of 8924 partitions for hdisk11. The limitation for volume group datavg is 1016 physical partitions per physical volume. Use chvg command with -t option to attempt to change the maximum Physical Partitions per Physical volume for this volume group. The chvg -t may or may not allow the extendvg command to succeed. What is the implication of using this option?（）

A、It reduces the maximum file size allowed within the given volume group.  B、It reduces the maximum number of files allowed within the given volume group.  C、It reduces the maximum number of logical volumes allowed within the given volume group.  D、It reduces the maximum number of physical volumes allowed within the given volume group.  

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