为使零件的几何参数具有互换性，必须把零件的加工误差控制在给定的公差范围内。（)

The two boys look exactly ______.

A．same

B．alike

C．like

D．same ones

The two boys look exactly ______.

A．same

B．alike

C．like

D．same ones

● Look at the questions 1-5.

● In each question, which sentence is correct？

● For each question, mark one letter (A, B, or C) on your Answer Sheet.

Guaranteed delivery within 48 hours. The parcel will arrive ______.

A．in less than two days from now.

B．in exactly two day's time.

C．in at least two day's time.

A．It looks exactly like Susan.

B．It makes Susan look older than she really is.

C．It makes Susan look younger than she really is.

D．It makes Susan look better than she looks in person.

A．It looks exactly like Susan.

B．It makes Susan look older than she really is.

C．It makes Susan look younger than she really is.

D．It makes Susan look better than she looks in person.

听力原文：(A) The area is under construction.

(B) The buildings look exactly the same.

(C) The fence is being put around the site.

(D) All the people are wearing safety hats.

A．

B．

C．

D．

A．watch you

B．mark out

C．look out

D．view

A．The speakers don't know the problems with Mark and Tim.

B．They are talking about how to make their sons live a healthy life.

C．Both Mark and Tim do not have a girlfriend to look after them.

D．The woman thinks that having a girlfriend can not help Mark.

A．short notice

B．first sight

C．first impression

D．first appearance