A、 An alphanumeric identifier is an assembly of characters and numbers.It can recognize something.
B、 An symbolic-numeric identifier is an assembly of symbols and numbers.It can identifies something.
C、 An alphanumeric identifier is a combination of letters and numbers that identifies something.
答案：C
A、 An alphanumeric identifier is an assembly of characters and numbers.It can recognize something.
B、 An symbolic-numeric identifier is an assembly of symbols and numbers.It can identifies something.
C、 An alphanumeric identifier is a combination of letters and numbers that identifies something.
答案：C
A. 当开始一个新的段落,读者知道在这个段落里会有新的或者不同的信息。
B. 在一个新的段落开头,应该让读者了解这段中是否有任何更新的信息。
C. 当一个新的段落开始,应该让读者读到新的或不同的信息
A. CRES causes magnesium,aluminum,or cadmium to corrode when it touches these metals.
B. Stainless steel corrodes once touching magnesium,aluminum,or chromium metals.
C. Magnesium,aluminum,or chromium metals shall be protected from the corrosion caused by CRES.
A. 用去脂设备除去油和油脂。
B. 用脱脂剂除去油和油脂。
C. 用脱脂代表除去油和油脂。
A. 仔细检查组件来确定是否有进一步的损坏。
B. 目视检查组件来确定损坏的部位。
C. 目视检查组件来确定损坏的程度。
A. 保证所有的使用途径都满足适航要求。
B. 阐明我们所使用的所有方法都满足适航要求。
C. 确保我们所使用的所有方法都满足适航要求。
A. Remove unwanted support from sealant.
B. Wipe excess sealant from the lever.
C. Remove the unwanted sealant from the bracket.
A. Distances shown are based on weak wind.
B. Distances shown are developed with no wind.
C. Distances shown are on the basis of gentle wind.
A. In order to locate lower margins of safety components and areas,current records were reviewed.
B. To find components and areas where have showed lower margins of safety,existing results were examined.
C. Existing analyses were reviewed to identify components and areas that may have exhibited lower margins of safety.
A. 该计算机控制风扇气流以防止喘振。
B. 该计算机控制燃烧室气流以防止过热。
C. 该计算机控制压气机气流以防止失速。
A. 这个程序只能用在自动模式下。
B. 这个程序只适用于模拟方式。
C. 这个程序仅适用于数字模式。
