The word difficult indicates that the pattern was most likely complex and "intricate" in nature. "Rugged" is rough; "fixed" is held in place; "illustrative" is explanatory; and "frail" is dainty.

The child seems to be rather clumsy, or "ungainly," in maneuvering around things. The incorrect answer choices are as follows: "ingenious" is creative; "faulty" is wrong; "suave" is dignified; and "cultivated" is sophisticated.

Due to the violent nature of the storm, the circumstances are probably "dire" or alarming. The circumstances are not as likely "irrational" or unreasonable; "creditable" or praiseworthy; "peculiar" or odd; or "unfathomable" or not easily understood.

The sentence tells us that this occasion occurs every two years. Something that occurs every two years is described as“biennial.” To provide further help, “annual” means occuring every year; a “centennial” is a one-hundred year anniversary; a “memorial” is something constructed to remember something or someone; “fraternal” means brotherly. 

Because dinosaurs existed before the beginnings of written history, we call them “prehistoric.” Where the prefix "pre-" means coming before. To provide further help, “antiquated” means old or ancient and could be used to describe dinosaurs, but does not fully capture the significance of “written history;” “fictional” means not true; “phony” means fake. 

When two things are matching or in agreement, we say that they are "congruent." The opposite of this is "incongruent." The context of the sentence tells us that the politicians never agree with one another, so their ideals must be "incongruent."

The context of the sentence tells us that the villain is evil and wicked. It would follow that his appearance would be "sinister," which means evil or dangerous in appearance.

The key to solving this sentence is to know the meaning of the word “indefatigable.” It means untiring, relentless, so someone who supports their country relentlessly or constantly could reasonably be said to be highly “patriotic.” Being “patriotic” means having pride or great love for one’s country. To provide further help, “treasonous” and “traitorous” are synonyms of one another; both words describe someone who betrays a cause. Additionally, “itinerant” means nomadic, wandering.

People who lack pigmentation in their skin are called “albino.” An “albino” human is usually very white in skin color. To provide further help, “Inuit” is a tribe of people native to Alaska and Northern Canada; “pious” means devout, very religious; “nomadic” means wandering, without a home; “aboriginal” means native peoples.

The author tells us that the subject of this sentence acted to try to defend herself at the moment of impact; this suggests she must have been awake, and aware of what was going on. The subject could therefore be said to be “conscious.” To provide further help, “unconscious” means asleep or not aware; “somnambulant” means sleep-walking; “tenable” means reasonable or able to be maintained, whereas “untenable” means not able to be maintained.