1189. 如果划痕没穿透保护层,这个装置是可使用的。

A. Use manual procedure prior to automatic control;

B. Use the manual procedure if it is not feasible to use the automatic control;

C. Do not use automatic control unless the manual procedure is not available;

A. Move the tube to make sure that the inner connection is tight.

B. Move the tube to see if the inner connection is tight.

C. Move the tube to identify the inner connection is tight.

A. The tension in the cables increases if the temperature decreases.

B. The tension in the cables decreases if the temperature increases.

C. The torsion in the cables decreases if the temperature increases.

A. The housing for the voice recorder unit has these properties: water tolerance, shock resistant and heat resistant

B. The container for the voice recorder unit has these properties: waterproof, spin resistant and heat resistant.

C. The container for the voice recorder unit has these properties: watertight, shock resistant and heat resistant.

A. 如果错差超过3度,则要改装指南针。

B. 如果误差超过3度,则要校准罗盘。

C. 如果角度超过3度,则要调整圆规。

A. Be patient while the door is opening.

B. Be aware of the door when it is opening.

C. Be careful while the door is opening.

A. These two sentences give the same instruction and each correctly obeys the rules of STE.

B. Both sentences give the same instructions, and correctly followed the rules of STE.

C. The two sentences give out the same order, also correctly follows the STE rule.

A. 在一块不需要承力的金属上,可以在某一点处切割一个直径为几英寸的孔,孔的周围用法兰连接,使其具有刚度

B. 在一块金属上,可以在不需要承力的某一点处切割一个直径为数英寸的孔,孔的边缘折边可以使其具有刚性

C. 在一块不需要承力的金属上,可以在一处切割几个直径为数英寸的孔,孔的边缘用凸缘连接,使其产生刚性

A. 如果你在英语字典里找不到想用的词,在STE字典中搜索这个词直到找到最好的同义词

B. 如果你在词典里找不到想用的词在英语字典中搜索这个词从而找到最优的近义词。

C. 如果你想用的词不在字典里在英语字典中搜索这个词找到STE字典中列出的最优的同义词。

A. Loosen the 15 nuts on the pump side clamp ring.

B. Loosen the 15 bolts on the pump side clamp ring.

C. Tighten the 15 nuts on the pump side clamp ring.