类型操作符PTR用于()。 A.定义内存变量的类型 B.重新指定内存变量的类型 C.

题型:单项选择题

问题:

类型操作符PTR用于()。

A.定义内存变量的类型

B.重新指定内存变量的类型

C.定义寄存器变量的类型

D.重新指定寄存器变量的类型

考点:微机原理微机原理题库
题型:单项选择题

— That pair of shoes just doesn’t          to me.

— But I like them.

A.adapt

B.appeal

C.attend

D.agree

题型:单项选择题

在一定条件下,下列药物的主要成分都能发生:I取代反应、II加成反应、III水解反应的是

①维生素 ②阿司匹林 ③芬必得

④扑热息痛 [ ]

A.①④

B.②④

C.①③

D.③④

题型:单项选择题

小明利用相同质量的海波和松香进行了固体熔化过程的探究,在加热条件相同的情况下测出了多组数据,并绘制了海波和松香的温度-时间变化图像:

(1)由图像可知,在海波和松香这两种物质中,属于晶体的图像______ ;它是______ (海波/松香),其熔点约是______℃。

(2)在第6分钟时海波处于_______ 状态。(固体?液体?固液共存?)

题型:单项选择题

阅读理解。

     Taking good notes is a time-saving skill that will help you to become a better student in several ways.   1. _____   Second, your notes are excellent materials to refer to when you are studying for a test.

Third, note-taking offers variety to your study time and helps you to hold your interest.

     You will want to take notes during classroom discussions and while reading a textbook or doing

research for a report.  2._____   whenever or however you take notes, keep in mind that note-taking is

a selective process.  3._____ 

     The following methods may work best for you.

     Read the text quickly to find the main facts and ideas in it.

     Carefully read the text and watch for words that can show main points and supporting facts.

     Write your notes in your own words.

     4.____  

     Note any questions or ideas you may have about what was said or written.

     As you take notes, you may want to use your own shorthand (速记). When you do, be sure that you

understand your symbols and that you use them all the time.   5._____  

A. Use words, not complete sentences.

B. There are three practical note-taking methods.

C. You must write your notes on separate paper.

D. Otherwise, you may not be able to read your notes later.

E. You will also want to develop your own method for taking notes.

F. That means you must first decide what is important enough to include in your notes.

G. First, the simple act of writing something down makes it easier for you to understand and remember it.

题型:单项选择题

河北大冶铜绿山战国铜矿遗址出土的采掘工具共14件,其中铁制工具13件(即铁斧4件,铁锤2件,六角形铁锄2件,钁1件,铁钻3件,铁耙1件),另一件是木槌。这说明当时()

A.青铜时代已经结束

B.牛耕得到较快推广

C.农业精耕细作技术成熟

D.铁器的使用更加普遍

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