1.
A powder derived from the North American Echinacea flower which has beeneffective in preventing colds is grown by many small farmers out West.
To answer this question you first have to realize that the basic structure of thissentence is fairly simple. The main verb of the sentence is grown. What isgrown? A flower is grown not its derivative. Choices A B C and D all imply thatit is a derivative or a powder which is grown out West and not the flower. This isa clear flaw in logic. The only answer choice that has the correct subject is ChoiceE.
2.
Trying to mimic some of the pitch variations of a dolphin chattering is the sameas attempting to sing like a sick parakeet when one is intoxicated the completelack of harmony and apparent randomness of the noise means the human vocalchords are completely incapable of reproducing these sounds.
This question is quite tricky. It involves parallel structure. You have to lookcarefully to figure out what form the comparison takes. The comparison is notone of similarity it is one of equality. Saying x is y is quite different from sayingx is like y or x is similar to y. Choices B C and E all change the fundamentalunderlying concept of the sentence. Choice D disrupts the parallel structure. Theparallel structure is ?trying to mimic? and ?attempting to sing?. Choice A is thecorrect answer.
3.
The possibility of an attack on Indian Point a nuclear power plant has causedlocal governmental officials to plan evacuation routes build shelters and offeringcitizens potassium pills so there will be fewer casualties in case of a leak.
This question has to do with parallel structure. Something causes officials toplan build and offer. Choices A and C disrupt parallel structure by using an ?ing?form inconsistently. Choices D and E are incorrect as you cannot cause someoneto evacuation route planning or to a planning. Cause should be followed by theinfinitive. Choice B is the correct answer.
4.
Although the sting of Egyptian Scorpions are rarely dangerous they cause redwelts to appear posing minor health risks to infants who are particularly vulnerableto its venom.
This is a very easy question because the only mistakes you have to correct aremistakes in subject/verb agreement and subject/pronoun agreement. The subjectis the sting. So you want the correct verb form to go with the singular sting. Thatleaves you with C D and E as possible choices because they say the sting ?C is rarelydangerous. Another mistake you have to correct is a subject/pronoun agreementmistake. The venom belongs to the sting. Therefore you would use ?its? beforevenom because sting is singular. That leaves you with choices D and E. Choice Emakes another mistake by saying they cause red welts to appear. The scorpionsdon?t cause the red welts to appear the sting of the scorpions does. Therefore thesingular ?it? needs to be used. Choice D is the correct answer.
5.
The catastrophic San Francisco Earthquake at the turn of the century destroyednumerous buildings and many were led to believe that the city had become apermanent disaster zone.
This sentence involves parallel structure. What did the earthquake do? It destroyedand led. These are actives verbs rather than the passive constructionsin A and B. C also does not provide parallel structure. D is wordy and uses thewrong tense. The past perfect should be used as the city had become a disasterzone before people came to believe this. ?The belief of the city as if it were? isalso non-idiomatic. Choice E is the correct answer.
6.
Besides offering such physiological rewards as toned muscles karate if practicedregularly can turn the body into a dangerous weapon and produce numerousother benefits.
This question has to do with dangling modifiers. There is no subject in the firstphrase the part before the first comma. Therefore the subject of the verb inthat phrase must come directly after the comma. What is the verb in the phrase?Offering is the verb. Who or what does the offering? Karate offers. Thereforekarate is the subject and must come directly after the first comma. The onlychoice which offers this is A. 15
7.
The new government requires employers to inform an employee of their legalright to holidays and overtime pay.
The first issue you need to be aware of is pronoun reference. It should be employees?legal right not employers?. Therefore you can eliminate A and D. Thesingular ?an employee? does not go together with the plural ?their?. Option Bdoes not have agreement between the plural ?employees? and the singular ?he?.Option E has an unclear pronoun ?they? at the end of the option. It is not clearwhether this word refers to the employees or the employers. Only option C iscorrect.
8.
Riddled with bullets shattered by bombs and hidden in alleys the historic buildingsin Lodz Poland were long ignored by tourists traveling instead to morewell-known memorial museums.
This question has to do with ambiguity arising from a lack of pronouns and improperword order. Choices C D and E all imply that tourists are the ones whowere riddled with bullets shattered by bombs and hidden in alleys. This is a caseof dangling modifiers. Choice A implies that the buildings may have been theones traveling to more well-known memorial museums. Choice B uses the pronoun?who?. This correctly connects all the parts of the sentence. Choice B is thecorrect answer.
9.
Rallies organized in conjunction with the dissemination of democratic principleswhich was once prohibited by Communist Chinese leaders are beginning to takeshape at a grass roots level permitted by the new Chinese leadership.
Option A is incorrect as it is unclear to what ?which? is referring. It should referto organizing rallies but the placement means it is referring to the democraticprinciples. B is incorrect as the subject ?Rallies? does not agree with the verb ?is?.Option C states that organizing rallies is beginning to take shape. The democraticprinciples are beginning to take shape. Choice D has an ambiguity resulting fromthe pronoun ?they?. It is unclear to whom ?they? is referring. Choice E is the correctanswer.
10.
By the end of the nineteenth century five of the Western European states haddeveloped a railroad system but only one in the East.
This question has to do with parallel structure. You have to have a continuity ofverb tenses and structures. Because you say ?five x had? then you have to followit by saying ?but only one y had?. The only two choices that even have a verb inthem are D and E. Choice D uses a different verb tense the simple past. Choice Eis the correct answer.