Question

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2)All of the following are recommended strategies to consider when delivering a speech except
A. avoiding swaying back and forth
B. Using language tailored to your audience
C. Speaking quickly so you don’t bore your audience
D. Emphasizing your main point with gestures and facial expression
3) choose the correctly punctuated sentence
A. If a driver gets lost on the road, a GPS can be useful
B. If a driver gets lost on the road a GPS can be useful.

Answer 1

first one is A is the best choice and for 3 it is A as well thank u 

Answer 2

ANSWER NUMBER 1:

A. Avoiding swaying back and forth

Specialists in communication often recommend that speakers eliminate the swaying back and forth when giving a speech, since it distracts the audience from the main message, and might transmit that the speaker is anxious or insecure. However, it is not recommended to completely stay quite still, but to move moderate from time to time, use your hands and face gestures as well, etc.

ANSWER NUMBER 2:

A. If a driver gets lost on the road, a GPS can be useful

The grammar rule is that when the "if clause" ("If a driver gets lost on the road") is at the beginning of the sentence, a comma is required at the end of the clause ("a GPS can be useful").

And when the "If clause" is at the end of the sentence, no comma is required.