What does this verse teach about our speech? "The words of a wise man's mouth are gracious; but the lips of a fool will swallow up himself." (Ecclesiastes 10:12) The words of a wise man brings him honor, but a fool is destroyed by his own words.

The words of a just man are like gold.

The words you need will be given when you need them.

The words of a wise man brings him honor, but a fool is destroyed by his own words.

Explanation:

The thing that the verse teaches us about our speech is that "the words of a wise man brings him honor, but a fool is destroyed by his own words".

When we listen to the words that comes from the mouth of a wise person, we derive benefit from listening because the person is wise unlike that of the fools and his words being about his destruction.

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).

i believe the answer is: b. mr. head had a long, tube-like face with a rounded open jaw and a short depressed nose.

this is because in the un-revised sentence it said that mr. heads face was long and tube-like, and he had a rounded open jaw. this is not a very grammatically correct because of how it seems to drag on with the and, replaced with, with, makes it sound more fluent in the description.