主页
学科
搜索
账户
常见问题
当前学科:初级气焊工考试
题目:
单选
在三视图中,左视图反映了物体()的方位关系。
A . A、上、下、左、右
B . B、前、后、左、右
C . C、上、下、前、后
D . D、上、下
答案:
<查看本题扣1积分>
查看答案
答案不对?请尝试站内搜索
推荐知识点:
关于预算调整原因的叙述中,正确的有( )。
根据MLC 2006,以下表述有误的是()
Wise buying is a positive way in which you can make your money go further. The ()you go about purchasing an article or a service can actually ()you money or can add ()the cost. Take the ()example of a hairdryer. If you are buying a hairdryer, you might ()that you are making the ()buy if you choose one ()look you like and which is also the cheapest ()price. But when you get it home you may find that it ()twice as long as a more expensive ()to dry your hair. The cost of the electricity plus the cost of your time could well ()your hairdryer the most expensive one of all. So what principles should you ()when you go out shopping? If you ()your home, your car or any valuable ()in excellent condition, you’ll be saving money in the long () Before you buy a new (),talk to someone who owns one. If you can, use it or borrow it to check it suits your particular () Before you buy an expensive (),or a service, do check the price and ()is on offer. If possible, choose ()three items or three estimates. 请在第()处填上正确答案。 查看材料
以没食子酸为原料合成3,4,5-三甲氧基苯甲醛有4条途径,试从反应条件、原料成本、环境保护等方面进行比较,从而选择最优设计路线
在Visual FoxPro中"表"是指()
信号装置一般分为信号机和信号()器两类。
病人下台阶时扭伤右足部,疼痛剧烈,尚能步行上班,第二天发现右踝肿胀,踝关节前外侧足背青紫。检查:外踝前下方压痛,被动内翻时疼痛。最可能的诊断是()
对由()授权的组织作出的具体行政行为不服提起行政诉讼的,该组织是被告。