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【单选题】
引入高速缓冲的主要目的是( )。A.
提高CPU的利用率
B.
提高I/O设备的利用率
C.
缓和CPU和I/O设备速度不匹配的问题
D.
节省内存
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【单选题】Questions 36-38 Complete the table showing where devices used in reducing noise could be fitted in the houses. Write: W for walls D for doors C for ceilings double thickness plaster board
A.
W
B.
D
C.
C
【简答题】A. Complete the dialogue between a guest (G) and a restaurant waiter (W). W: Good morning. City Wall Restaurant, Sally speaking. ? G: Yes, I’d like to book a table for five tomorrow evening. W: Certai...
【简答题】如图所示为农业生态系统模式图.请据图回答: ( 1)构成该生态系统的生产者是 ,(任写一项),图中所示的分解者主要为腐生的 菌等,而生物生存所需的非生物环境有 (任写一项). ( 2)写出图中的一条食物链: . ( 3)农作物的种子是由花中的 发育形成的. ( 4)图中,苍蝇的发育要经过哪几个时期? .
【简答题】本实验所用仪器为()型教学用非平衡电桥,()型温度传感实验装置。
【简答题】Read and complete the dialogue orally in pairs choosing the right useful expressions above. (W=waiter; C=customer) W: Welcome to our restaurant, madam. ( 1)___________________________ C : No. But I’d ...
【单选题】患者女性,急性阑尾炎合并穿孔,急诊在硬膜外麻醉下行阑尾切除术,术中顺利,术后血压稳定,病情平稳,随即将患者送回病房。 41. 术后第二天患者体温 38.2°C,并诉切口疼痛,此时护士应为患者安置的体位是
A.
头高足低位
B.
仰卧屈膝位
C.
右侧卧位
D.
半坐卧位
E.
端坐位
【简答题】阅读理解三 Directions : Thefollowing is a business Letter. After reading it , youshould complete the follo w inginformation by filling in the blanks marked 46 through 50 in no more than 3 wordsin the table...
【简答题】Practice 2 Questions 1-4 Complete the sentences below w ith NO MORE THAN THREE WORDS for each answer. Train Information 1. Local services leave from ________________________ railway station. 2. Nation...
【多选题】Complete the passage with items from the box according to the picture . 根据图片,在空白处填上合适的选项。 Now, Let’s look at the table setting . W e need to learn how to place tableware ( 餐具) properly. The place mat ...
A.
in front of
B.
on the left
C.
in the right
D.
next to
E.
in the middle
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