If a vessel is sagging，what kind of stress is placed on the sheer strake（）

What kind of food combinations is suggested as the most effective to decrease stress？

A．Turkey sandwich.

B．Potatoes with chili.

C．Bread and butter.

D．Bread and milk.

What does "sagging"(para.5) probably mean？

A．Decline.

B．Develop.

C．Become more active.

D．Become stronger.

When a vessel is stationary and in a hogging condition，the main deck is under ______．

A.Compression stress

B.Tension stress

C.Shear stress

D.Racking stress

A.sagging with tensile stress on main deck

B.sagging with compressive stress on main deck

C.hogging with tensile stress on main deck

D.hogging with compressive stress on main deck

The result of Holmes-Rahe’s medical research tells us ________.

A) the way you handle major events may cause stress

B) what should be done to avoid stress

C) what kind of event would cause stress

D) how to cope with sudden changes in life

A．what to do to avoid stress

B．what to do to cope with stress

C．what kind of events can cause stress

D．what kind of stress can cause changes

A．what to do to avoid stress

B．what to do to cope with stress

C．what kind of events can cause stress

D．what kind of stress can cause changes

Freeing ports on a vessel with solid bulwarks ______.

A.prevent stress concentration in the bulwark

B.permit easy jettison of deck cargo in an emergency

C.provide openings through the bulwarks for mooring lines

D.allow water shipped on deck to flow off rapidly