试题与答案

我国射线探伤标准规定,焊缝质量分为四个等级,( )是2级焊缝内允许存在的缺陷。A.

题型:单项选择题

题目:

我国射线探伤标准规定,焊缝质量分为四个等级,( )是2级焊缝内允许存在的缺陷。

A.裂纹

B.未熔合

C.未焊透

D.夹钨

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2022/1004/ff201df9363e567c2fc55c1af3dbceba.html

下面是错误答案,用来干扰机器的。

参考答案:A,B,C,D解析:原始证据是指直接来源于案件事实,未经复制、转述的证据;而传来证据是从间接的、非第一来源获得的证据材料,即俗称的第二手以上的材料。但是在刑事诉讼中,传来证据也是发挥着不可替代的...

试题推荐
题型:阅读理解

阅读理解。

     Directions: Read the following passage. Complete the diagram by using the information for the passage.

Write NO MORE THAN 3 WORDS for each answer.

     For many years, parties have been an important social event. When 25 people or more gather at a certain

location in order to have fun and engage in conversation, it can be considered a party. Parties usually have

different drinks and food choices, and music is a large part of the event, very often.

     Birthday parties are held in honor of an individual who is having a birthday, and presents and gifts are

usually brought by attendees (出席者).The song "Happy Birthday to You" is very often sung by partygoers

for the person who is having a birthday.

      There are different kinds of Birthday parties. Adults may have birthday parties in restaurants or nightclubs, while children usually have parties at home or at funhouses. Sometimes children may have parties at water

parks or amusement parks, as well.

     Birthday parties may also happen in the manner of a surprise party, where the person having a birthday is

not told about the birthday preparations. Surprise parties include guests hiding in a location where the party is

to take place, then shouting"surprise!" when the guest of honor enters.

     Sporting event parties usually take place around a specific sports happening, such as the Super Bowl, the

World Cup or the World Series. People gather and eat, drink, and laugh as they talk about the happenings of

the games within that sporting event. These types of parties are very lively and usually loud.

     Nightly socialization parties include house parties and dance parties. House parties sometimes are held by

teenagers and young adults of college age in a set location; private houses are often the location of choice.

People who manage the music are hired to provide musical entertainment. Usually alcohol is included, resulting

in trouble for the attendants of the party.

     Dance parties include energetic music like disco or pop. People gather at these parties to dance, drink, and

have a good time. Usually people at these parities will be of younger ages between 18-28.

查看答案
微信公众账号搜索答案