... is divided into bands and the designation of the bands, their principal use and method of propagation is shown in Table 1.1. Waves of different frequencies behave differently and this, along with ... over the horizon, communication between fixed points at bands of ultra and super high frequencies. Usable bands are around 900, 2000 and 5000 MHz and path lengths of 300 to 500 km are typical. The ... ‘Short-wave’ bands. Long distance communications and short-wave broadcasting. Ionospheric sky wave. 30–300 MHz Very high frequency (VHF). Short range and mobile communications, television and FM broadcasting....
Ngày tải lên: 18/04/2014, 12:29
Ngày tải lên: 21/06/2014, 20:20
báo cáo hóa học:" Research Article Positive Solutions to Singular and Delay Higher-Order Differential Equations on Time Scales" pptx
Ngày tải lên: 21/06/2014, 20:20
501 GRAMMAR AND WRITING QUESTIONS Learning Express 3Rd Edition potx
Ngày tải lên: 27/06/2014, 23:20
Cambridge University Press Lexical Categories Verbs, Nouns, And Adjectives
... way, only adjectives and adpositions can modify nouns (the man in the garden and the man responsible) and only they can be preceded by measure phrases (It is three yards long and He went three yards ... theory. They claim that verbs and prepositions take complements, and nouns and adjectives do not; this is like Jackendoff’s +/−obj feature. They also claim that adjectives and prepositions form predicates, ... pred- icative category, and nouns and adjectives can also take complements. Hale and Keyser’s work was one of the motivating inspirations for my taking up this topic, and one of my concerns will...
Ngày tải lên: 05/10/2012, 08:21
Warm – up activities in teaching and learning English at grade 10A5 in Cai Be high schoo
... three subjects (physics, chemistry, and biology), three computer rooms (40 computers and one host computer) for teaching and learning information technology. And there are also many rooms such ... Students: In this school year, Cai Be high school has 14 classes in grade 10, 13 classes in grade 11 and 14 classes in grade 12. The number of students at Cai Be high school belongs to register ... in grade. 4. Student is confident, active, self-motivated and self-conscious when taking part in warm-up activities. 5. Warm-up activities must be various and is used to revise old knowledge and...
Ngày tải lên: 11/04/2013, 09:43
How to use Gerund and Infinitive (grade 6-9)
... leave notice see send set stop watch Ex: I felt him looking at me now and again . / Ellen had noticed me talking with the landlady . 5. “The gerund” thường được sử dụng sau một số ngữ trạng từ ... lead like love mean observe order permit persucide prefer suspect tell tempt think trust understand urge want warn wish ……. Ex: Why did he advise me to visit Westminster Abbey ? / I told him to ... sleeping late on weekends . d. “The gerund” thường được sử dụng sau thành ngữ (expesions): can’t stand=can’t be (không thể chịu đựng) can’t help (không thể không ) can’t face (không thể đương đầu) feel...
Ngày tải lên: 07/06/2013, 01:26
Exercises of Phrases and Clauses of purpose-Grade 8 (very hot)
... pedestrians might cross the road. 25. The notices are written in several languages. Everyone may understand them. 26. I wish to have enough money. I want to buy a new house. 27. Dick is practicing the ... can develop our national economy. 7. Everyone in the world must unite their efforts to maintain and protect peace. 8. She put on warm clothes so that she would not catch cold. 9. He hurried...
Ngày tải lên: 09/06/2013, 01:27
SKKN - pair work and group work - grade 7
... đề (feedback). Topic : Pair work and group work in grade 7 3 Sáng kiến kinh nghiệm năm học 2004 - 2005 Giáo viên : Quách Hồng Hưng b) Chia cặp và chia nhóm (pair work and group work) : Làm việc ... ! + Come on. You ! + You, please! + In halves, you first, then you ! Topic : Pair work and group work in grade 7 5 Sáng kiến kinh nghiệm năm học 2004 - 2005 Giáo viên : Quách Hồng Hưng không ... kết hợp lời nói với cử chỉ : + Be quiet and listen ! + All of you, together ! + Not very good. Again ! + Again but quickly ! + No, stop ! + Everyone, listen and repeat ! + Come on. You ! + You,...
Ngày tải lên: 30/06/2013, 01:27
A cross cultural analysis of english textbook for grade 10 and suggestion of supplementary activities for students’ cross cultural awareness
Ngày tải lên: 07/09/2013, 12:58
A study on cultural obstacles to the teaching and learning of speaking skills in the classroom of grade 10 at nguyen tat thanh high school
Ngày tải lên: 07/09/2013, 13:00
Countable and uncountable Nouns
... Ns Countable Ns can be "counted", they have a singular and can be "counted", they have a singular and plural form. plural form. E.g. E.g. A book, two books, three books ... Two teas Two teas and and one coffee one coffee please. please. 3. only use 3. only use many many & & few few with plural countable Ns with plural countable Ns Many ... N plural countable N plural I eat I eat an apple an apple every day. every day. Apples are Apples are good for you good for you . . 2. There is 2. There is no no plural form plural...
Ngày tải lên: 09/09/2013, 05:10
Grammar And Usage For Better Writing - Nouns
... Terry and Mallika agree with you? 1. Vermont and New Hampshire are next to each other. Terry and Mallika Rain or snow Here are the singular and plural forms of a few more nouns. SINGULAR PLURAL (only ... indicated. Samples: the plural of window the singular of kittens 1. the singular of chairs 2. the plural of passenger 3. the singular of gloves 4. the plural of bandage 5. the plural of tree kitten windows NOUNS ... was talking to a neighbor. Plural Nouns Nouns have a singular form and a plural form. The singular is the form that means only one: boy, girl, soda, hamburger, etc. The plural is the form that means...
Ngày tải lên: 23/10/2013, 13:20