"Careen" meansto move quickly and uncontrolled in a particular direction, or hurtle through somewhere.

"Dwindle"meansdiminish gradually, so "diminish," which means12月lineor12月rease, is the correct answer. None of the other answer choices are close in meaning to "dwindle" and "diminish": "foretell" meanspredictorprognosticate; "hang" meansdangleorsuspend; "rotate" meansspinorrevolve; and "tease" meansgoadormock.

"Capsize" meansto overturnorto sink, and usually refers to ships. So, "sink" is the correct answer. None of the other answer choices are close in meaning to "capsize": "fulfill" meansto carry out or complete a task or an assignment; "debate" meansto discuss or argue about an issue or topic; "signify" meansto indicate; and "mature" meansto grow up physically or mentally.

“装修”或“润”手段to add ornaments to something; one might embellish a story by adding details that are not true to an otherwise true account. "Terminate" meansto endorto conclude. "Mimic" meansto imitateorto copy. "Plagiarize" meansto copy another person's work without crediting that person for it. "Define" meansto state the definition or qualities of a person or thing.

"Snare" is a word that can be used as either a noun or a verb, but because all of the answer choices can be used as verbs, we will need to consider "snare" as a verb. When used as a verb, "snare" meansto traporto catchand usually refers to trapping an animal, so "trap" is the correct answer. None of the other answer choices are close in meaning to "snare" or "trap": "prosper" meanssucceedorflourish. "Contaminate" meanspollute; "falsify" meansmisleadorshow that something is false; and "research" meansto studyorinvestigate.

"Engender" is a verb which meansto call forth. This can be used in the sense of creation of ideas, or in the sense of creating children. "Spawn" can also meanto call forth. Additionally, it is, specifically,the laying of eggs by fish, amphibians ormollusks.

"Dangerous" is an adjective which meanscausing harm.

"Ingratiate" is a verb meaningto flatter someone to create good will.

"Female" may seem like a good answer because it is a gender. "Engender" does not mean male or female, however.

"Duplicate" meansto copy. This seems like a possible answer because, in the strictest sense, duplicating is an act of creation, just like engendering; however, "engender" has the connotation of creating something original: an original idea or a child. "Duplicate" is literallya copy of something else. "Spawn" is a better answer because it, like "engender," has the connotation of creating something original.