In the teach video ,when the Iron Lady answered "I don't know" ,she is using__ A: A+! B: Straight answer C: Both D: neither

What are the language competences? A: Using language accurately B: Using language clearly. C: Using languagevividly. D: Using languageappropriately and inlcusively.

HTC VR C#开发中，（）命名空间是必须的 A: using System.Collections; B: using System.Collections.Generic; C: using Valve.VR; D: using UnityEngine.UI;

The basic criterion for the effective use of language in public speaking is _____, ______, _______. A: using language clearly B: using language vividly C: using language appropriately D: using language technically

使用SQL数据库需要引入命名空间（ ）。 A: using System B: using System.Data.OleDb C: System.Data.SqlClient D: using System.Data

An alternative method to methylate homocysteine to form methionine iswhich one of the following A: Using glycine and FH4 as the methyl dono B: Using dimethylglycine as the methyl dono C: Using choline as the methyl dono D: Using sarcosine as the methyl dono E: Using betaine as the methyl dono

Which of the following choice of designing PPT for presentation is correct?? Using;old-style handwriting fonts|Using;contrasting colors like light on dark or dark on light|Using italics or underlines everywhere|Using all capital letters

In user-managed backup and recover procedures， how are data files backed up？ （） A: Using SQL commands. B: Using SQL*Plus commands. C: Using operating system commands. D: Using Recover Manager commands.

What are the advantages of using an assembly line ? The advantages in using an assembly line are ____and ____ of production.

下列选项中, 不是Java有效注释的是() A: //Using comments is a good habit. B: /Using comments is a good habit. C: /**Using comments is a good habit.*/ D: /*Using comments is a good habit.*/