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举一反三
【单选题】Directions: Read the following passages and determine whether the sentences are " Right" or "Wrong". If there is not enough information to answer "Right" or "Wrong", choose "Doesn’t say". Then mark th...
A.
Right
B.
Wrong
C.
Doesn’t say
【单选题】计算机中，执行一条指令所需要的时间称为指令周期，完成一项基本操作所需要的时间称为机器周期，时钟脉冲的重复周期称为时钟周期。因此，______。
A.
时钟周期大于机器周期
B.
指令周期等于机器周期
C.
机器周期大于指令周期
D.
指令周期大于时钟周期
【单选题】下列IP地址中，地址______允许在本地网络上进行广播。
A.
125.255.255.255
B.
111.111.111.111
C.
222.222.222.222
D.
255.255.255.255
【单选题】Directions: In this section, you will hear ten short conversations. At the end of each conversation, a question will be asked about what was said. The conversation and question will be spoken only onc...
A.
He will provide investment service.
B.
He will help the customers.
C.
He will join the commercial bank.
D.
He will purchase or sell securities.
【单选题】Passage 3 A bond is issued by a guarantor, usually a bank or an insurance company, on behalf of exporter. It is a guarantee to the buyer that the exporter will fulfill his contractual obligations. If ...
A.
debit
B.
credit
C.
assets
D.
liabilities
【单选题】单侧完全性腭裂表现为
A.
仅软腭裂开，有时只限于腭垂，无左右之分
B.
软腭完全裂开伴部分硬腭裂，无左右之分
C.
裂隙自腭垂至切牙孔完全裂开，并斜向外侧直抵牙槽嵴，与牙槽裂相连
D.
裂隙在前颌骨部分开，各向两侧斜裂，直达牙槽裂
E.
黏膜正常而腭骨裂开
【单选题】某幅图像具有640×480个像素点，若每个像素具有8位的颜色深度，则可表示 (9) 种不同的颜色，经5:1压缩后，其图像数据需占用 (10) (Byte)的存储空间。
A.
61440
B.
307200
C.
384000
D.
3072000