美国学术能力评估考试（SAT）
单选题Which one of the following is a counterexample to the statement “If two angles are supplementary, then they are right angles?”A If two angles are complementary, then they are not right angles.B If two angles are fight angles, then they are supplementar
题目
If two angles are complementary, then they are not right angles.
If two angles are fight angles, then they are supplementary.
If two angles are not supplementary, then they are not right angles.
If two angles are supplementary, then one could measure 100° and one could measure 80°.
If two angles are not fight angles, then they are not supplementary.
相似问题和答案
第1题：
A mooring line leading at nearly right angles to the keel is a ______.
A.spring line
B.bow line
C.stern line
D.breast line
第2题：
GM cannot be used as an indicator of stability at all angles of inclination because ______.
A.M is not fixed at large angles
B.there is no M at large angles
C.G is not fixed at large angles
D.there is no G at large angles
GM值不能用于表示船舶所有倾斜角的稳性因为在大的横倾角时M点不是固定点。
第3题：
Cross curves of stability show which of the following？
A.The righting arms at various angles of inclination and displacement
B.The metacentric height at large angles of heel
C.The height of the center of buoyancy at various angles
D.The metacentric radius at various displacements
第4题：
The line leading at right angles to the （）(中线) from the forecastle to the shore is called the forward breast line.
- A、draft
- B、waterline
- C、centerline
- D、abeam
正确答案:C
第5题：
（）leads at right angles to the center line from the stern to the shore.
- A、An aft breast line.
- B、An aft spring
- C、The stern line
- D、A fore breast line
正确答案:A
第6题：
You are docking a vessel starboard side to with the assistance of two tugs．You are attempting to hold the vessel off by operating both tugs at right angles to the vessel and at full power．You must ensure that ______．
A.steerageway is not taken off
B.the bow doesn't close the dock first
C.the bow closes the dock first
D.the ship has no headway at the time
第7题：
Which of the following tribes came to Britain first?（）
AThe Angles.
BThe Saxons.
CThe Gaels.
DThe Jutes.
C
略
第8题：
“AMIDSHIPS ” refers to______.
A.Back of the vessel
B.The middle portion of a ship
C.A backward movement of a vessel
D.Across the ship, at right angles to the fore-and-aft centerline
第9题：
Which of the following tribes came to Britain first?（）
- A、The Angles.
- B、The Saxons.
- C、The Gaels.
- D、The Jutes.
正确答案:C
第10题：
draft
waterline
centerline
abeam