2. The most common way to form a plural countable noun is to add -s or -es, it even when there is a numeral included to signify more than one.
(Academic Writing and Speaking Сourse Pack: 175)2. The most common way to form a plural countable noun is to add -s or -es, it even when there is a numeral included to signify more than one.
(Academic Writing and Speaking Сourse Pack: 175)Task 9. Read the sentences paying attention to Latin abbreviations and expressions. Check yourself whether you understand/ remember their meanings.
1. The in vitro packaging system developed for recombinant DNA appears to bring the cloning of unenriched DNA.
2. Although knowledge of foreign languages is practically important, it is also valuable per se.
3. History knows several examples when countries were ruled by de facto kings.
4. Chemical processes usually flow in vivo quicker than in laboratory conditions.
5. Mastery of genre and styles conventions liberates the ego of a writer and provides him/her with the tools of self-expression.
6. You may find Errata in the section "Announcements" of the journal.
7. While some scholars argue that conceptual systems do not exist a priori, others think that social groups, within which individuals function, are determined by and interact with prior "systems."
8. To elaborate a new decision, the committee gathered for an ad hoc meeting.
9. For this trip, per diem expenses must not exceed $40.
10. Per capita income is an important economic category.
11. Minerals get their names from various sources; e.g., alexandrite was named for Alexander I of Russia.
Home assignment: Vocabulary in Use Units 2, 7.
Lesson 3. Articles
Do you always know whether to use a, an, the, or no article at all? Although there are rules to help you, there are also a lot of exceptions and a lot of fine distinctions to be made, so learning to use articles accurately takes a long time. However, to really master article usage, you should also read a great deal, notice how articles are used, and make notes.