Pretest. The following introduction is taken from the field of agribusiness

The following introduction is taken from the field of agribusiness. It discusses the problem of making good decisions in selecting farm machinery. Fill in each blank space with any appropriate word.

MACHINERY SELECTION MODELING:
INCORPORATION OF WEATHER VARIABILITY

The machinery selection decision confronting agricultural producers is recurrent, complex, and important. Machinery selection is complicated by many interrelated factors, which jointly determine the final impact of a particular machinery decision on farm profitability. Among the more important factors that must be considered in the selection of machinery are (a) weather conditions, (b) the effect of timeliness of operation on yield, (c) availability of labor at crucial times of the year, and (d) the farmer's goals and attitudes toward risk. The interaction among all these factors has a considerable influence on crop planning and machinery selection, and therefore these two decisions must be considered simultaneously.
The importance and complexity of the machinery selection problem has resulted in numerous efforts to develop analytical models, which will either yield generalizable selection guidelines or be useful directly by the farmer as a decision aid. The approaches that have been used are (a) calculator-type programs (17); (b) simulations (3, 10); and (c) mathematical programming approaches (4, 11). To date, many sophisticated models have been developed. _______, to the authors' knowledge, only linear programming approaches have had extensive application and farmer use (2).
This paper _______________. an attempt to develop an alternative analytical approach to machinery selection problems. This alternative approach _______________ provide agricultural advisors with a reliable means to help farmers make good decisions in selecting their machinery.

Please, write down your answers to this article and mail them through course-email to your tutor with the mark "2.10.2"!

Stage III: Signal Words

Special signal words are commonly used to indicate the beginning of Stage III. Connectors such as however are used for this purpose. The connector is followed immediately by a gap statement in the present or present perfect tense, which often contains modifiers such as f ew, little, or no.

Subordinating conjunctions like although and while can also be used to signal Stage III. If you use these kinds of signals, you must write a complex sentence, using modifiers like some, many, or much in the first clause, and modifiers like little, few, or no in the second clause.

Notice that nouns like literature, research, and work are uncountable and are therefore followed by singular verb forms.

Stage IV and Your Research Question

Your statement of purpose (Stage IV) should be directly related to the research question upon which you based your study. Although you may not need to include the research question explicitly in your report, the statement of purpose should be written so that your reader can infer the research question behind your study.
If the implied research question is a yes or no question, the connecting words whether or if are used in Stage IV, and a modal auxiliary like would or could accompanies the verb.

When the implied question is an information question, if/ whether is omitted and an infinitive or noun phrase is used.

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