... statements are true or false
T F
1. Each year about fifty hundred species of plants and animals
are eliminated.
2. Many kinds of plants could be used to treat
various dangerous diseases.
... 10
Conservation
reading
Before you read
Look at the pictures and answer the questions
1. What can you see in
the picture?
2. Have you ever visited
a zoo or a forest?
3. Can you name some...
... Thursday, January 14 th , 2 010 She has a round face She has a round face His eyes are brown His eyes are brown She has a tall nose She has a tall nose Ba has short hair Ba has short hair Unit 10: ... WELCOME TO OUR CLASS CLASS 6 * * Put the words in the correct orders to Put the words in the correct orders to make sentences make sentences : : 1. face / a/ she / has / round 1. face...
... who are always one step ahead of other people, who always seem to be in the right place at the right time, and who are always better informed than anyone else. Many of us like an easy life, and ... prepared herself. She made notes of what shemight be asked and of what she wanted to ask. When the day it came, shearrived half of an hour early. There were six other people waiting to beinterviewe...
... hạt mang điện c a nguyên tử hai nguyên tố A và B lần lượt là 12 và 16. a) Viết cấu hình e và sự phân bố các e vào các orbital các nguyên tố A; B: A: B: b)Viết công thức cấu tạo và công thức e c a ... hạt mang điện c a nguyên tử hai nguyên tố A và B lần lượt là 12 và 16. a) Viết cấu hình e và sự phân bố các e vào các orbital các nguyên tố A; B: A: B: b)Viết công thức cấu...
... True (T) or False (F): 1. Each year about fifty hundred species of plants and animals are eliminated. 2. Many kinds of plants could be used to treat various dangerous diseases. 3. Water can be ... Forest 4. Panda 5. Flood 3. Forest 4. Panda 5. Flood I. Before you read I. Before you read • Work in pairs: ask and answer the questions in the textbook within 2 minutes. Vocabulary Vocabulary ... W...
... Interesting/Shower Delicious/Food Lovely/Dog Awful/ Day GUESSING GAME: IS THERE+ A/ AN+N? ARE THERE ANY+ N( S/ES )? IV/ HOMEWORK: Make sentences with " What+ a/ an+ adj+N! A. The film ... B:COME AND SIT HERE, PLEASE! A: WHAT A LOVELY ROOM! 2/CONCEPT CHECK: A/ MEANING: B/FORM: WHAT+ A/ AN+ADJ +N! C/USE:Đ A RA LỜI KHEN HOẶC LỜI PHÀN NÀN II. PRACTICE:WORD CUE DRILL Terrible/Sink De...
... 10 A Câu 1:Giải a) 3212 −=+ xx b) 23572 −≥−−+ xxx Câu 2:Cm a) sacoa a asco a a ..sin .tan1 2 . cot1 2 sin 1 = + − + − b) Cm biểu thức sau không phụ thuộc vào a ) 2 sin23( 4 sin) 2 .23( 4 . aaascoascoA ... .23( 4 . aaascoascoA −+−= Câu 3 : Cho 5tan,0 =− ααπ Tính các giá trị lượng giác c a α Câu 4 ;Cho e líp (E) 1 4 2 9 2 =+ y x a) Xác định toạ độ các đỉnh , tiêu điểm,tính tâ...
... độ dài phù hợp la:ø 1.Kích thước. Nanomet(nm)vàAngstrom ( 0 A ) 1nm =10 -7 cm = 10 - 9 m =10 0 A ; Trang 8 Ngun ThÞ Thu Trµ- Trêng THPT Ngh a Lé Nanomet (nm) và Angstrom ( 0 A ). GV cho HS làm ... lượng Điện tích Electron (e) d e 10 - 8 nm m e = 9 ,109 4 .10 – 31 kg 0,00055 u q e = - 1, 602 .10 – 19 C q e = 1− (đvđt) Proton (p) ( d 10 - 8 nm) m p =1,6726 .10 - 27 kg 1u...
...
)2(
Rợuetylic
)3(
Axit axetic
)4(
Etyl axetat
)5(
Rợu etylic
2, Có hỗn hợp X gồm rợu etylic và axit axetic . Chia hỗn hợp X thành 2 phần bằng nhau:
- PhầnI: Cho tác dụng hết với Na kim ... 2AlCl
3
2, AlCl
3
+3 NaOH
vùă đủ
Al(OH)
3
+3NaCl
3, Al(OH)
3
+ NaOH NaAlO
2
+2H
2
O
4, NaAlO
2
+ HCl + H
2
O Al(OH)
3
+NaCl
5, 2Al(OH)
3
Al
2
O
3
+3 H
2
O
6, 2Al
2
O
3
dpnc
4 Al...
...
morning
exercises
take a
shower
comb hair
brush
teeth
wash
face
eat
breakfast
eat lunch
eat
dinner
do homework
go to bed
Wednesday, February 20
Wednesday, February ...
He gets up
What time does he do
morning exercises?
What does he do at 6.35?
At 6.35
He does morning exercises
What time does he wash his face?
At 6.55
He washes his face
What does...