普惠制产地证的签证日期不得早于发票日期和申报日期，而应早于货物的出运日期。（ ）

校验电子皮带称的实物校验装置在（）。

A.#栈桥

B.#8栈桥

C.碎煤机室

下列物质中，属于新型无机非金属材料的是

A．钢化玻璃

B．碳化硼玻璃

C．光导纤维

D．硼酸盐玻璃

质量改进的组织为（）。

A．正式的可靠性委员会 

B．工厂经理 

C．质量委员会 

D．质量改进小组 

E．部门经理

On an island there are exactly seven towns: T, U, V, W, X, Y and Z. All existing and planned roads on the island are two-way and run perfectly straight between one town and the next. All distances(距离；路程) by road are distances the main square of one town to the main square of another town. U is the same distance by road from T, V and W as Y is from X and Z. The following are of the now existing roads on the islands.

Road 1 goes from T to V via (经由) U.

Road 2 goes directly from U to W.

The triangle (三角形) road goes from X to Y, from Y on to Z, and from Z back to X. Any main square reached by two roads is an interchange (立交桥) between them, and there are no other interchanges between roads.

68. Which of the following sketches is correct?

A.     W                     B.        U

T   U    V                       W   V   T

C.   T   U    V    W         D.       T    W    V

U

69. Draw a sketch of the Triangle Road. Which of the following sketches is correct?

A.        Z                     B.     Y      X

     Y                                 

Z

X                          

C.   X     Z                      D.    Y     Z   

Y                                   X

70. Which of the following is a town from exactly two other towns can be reached by road?

A. T           B. X          C. V         D. W

膝关节创伤性滑膜炎患者，以下哪项可呈阳性（）

A.抽屉试验

B.浮髌试验

C.侧方挤压试验

D.推拉试验

E.研磨试验