... coi thể tích thay đổi không đáng kể khi xảy ra phản ứng)
đáp ánđề số 2
Đápán chấm
Câu1: ( 4 điểm )
1. Đápán đúng: C ( 1 điểm)
Sai: A,B,D ( 1 điểm )
2. Đápán đúng: B ( 1 điểm )
Sai: A,C,D ...
đề 13 Hớng dẫn chấm
Đềthi chọn đội tuyền dự thi học sinh giỏi tỉnh .
Câu 1 : ( 2, 0 điểm )
Ba chất đơn giản nằm trên đờng chéo của hình vuông đều là phi kim :
GV: Lấ THANH TIN
48
BỘĐỀ ... phải có một khí có M < 45, khí còn lại có M > 45. Vì N
2
O có
M = 44 (<45) nên M
X
> 45.
Trong các khí có thể được sinh ra do kim loại tác dụng với HNO
3
, chỉ có khí NO
2
có M...
... Hiện tượng tán sắc ánh sáng chứng tỏ ánh sáng có nhiều thành phần phức tạp
B. Hiện tượng giao thoa ánh sáng chứng tỏ ánh sáng có tính chất sóng
C. Hiện tượng quang điện chứng tỏ ánh sáng có tính ... SAI:
A. Vận tốc của ánh sáng đơn sắc phụ thuộc vào môi trường truyền.
B. Ánh sáng đơn sắc là ánh sáng có một bước sóng xác định .
C. Ánh sáng đơn sắc là ánh sáng không bị tán sắc qua lăng kính.
D. ... trong suốt, vận tốc truyền ánh sáng màu đỏ lớn hơn vận tốc truyền ánh sáng màu
tím.
Câu 13: Thực hiện giao thoa ánh sáng bằng khệ Iâng (Young) với ánh sáng đơn sắc có bước sóng λ. Người ta đo...
... answer sheet. Do not write your answers in the test book.
PART I
Directions : For each question in this part, you will hear four statements about a
picture in your test book. When you hear the statements, ... of the company web site
(D) Operating hours for the holidays
51. What did the woman receive this
morning?
(A) An order
(B) An e-mail
(C) A phone call
(D) A fax
52. What will take place ... Sales have been very slow.
(D) Some of the facilities are old.
55. What does the man plan to do this
evening?
(A) Conduct a training seminar
(B) Prepare for a meeting
(C) Answer some e-mails...
...
Questions 71 through 73 refer to the
following introduction.
71. Who is the audience?
(A) Clothing store clerks
(B) A board directors
(C) Restaurant owners
(D) Fashion designers
72. According ... graphing historical trends
(D) By testing materials
73. What feature of the new executive
clothing does the speaker emphasize?
(A) It is easy to care for.
(B) It is convenient to order.
(C) ... sheet. Do not write
your answers in the test book.
PART I
Directions : For each question in this part, you
will hear four statements about a picture in your
test book. When you hear the...
... sheet. Do not write
your answers in the test book.
PART I
Directions : For each question in this part, you
will hear four statements about a picture in your
test book. When you hear the ... there before.
(C) He knows the chef.
(D) He read a review of it.
49. What will the speakers do this
afternoon?
(A) Telephone some designers
(B) Plan a dinner
(C) Meet a client
(D) Make travel ... merchandise
(C) Greet customers
(D) Help a new employee
73. What does the speaker say he will do
this morning?
(A) Hire a server
(B) Enter some information
(C) Revise a manual
(D) Give a tour...
... information
78. When will the customer probably receive
his report?
(A) This morning
(B) This afternoon
(C) This evening
(D) Tomorrow
79. What did the speaker notice?
(A) A bill was ... registration deadline.
82. What is the topic of this afternoon
keynote speech?
(A) Staff recruitment.
(B) Modern techniques
(C) Business ethics.
(D) Workplace safety.
Questions 83 through ... sheet. Do not write
your answers in the test book.
PART I
Directions : For each question in this part, you
will hear four statements about a picture in your
test book. When you hear the...
... of employee opinions
(C) A new hiring policy
(D) A change in software
81. What will happen this Thursday?
(A) An office will be reopened.
(B) Computers will be delivered.
(C) Employees ...
(C) It has added new locations.
(D) It has hired more staff.
76. Who will receive a discount this
month?
(A) Customers of new flights
(B) Repeat clients
(C) Current employees
(D) Contest ... sheet. Do not write
your answers in the test book.
PART I
Directions : For each question in this part, you
will hear four statements about a picture in your
test book. When you hear the...
... to
A.
Fitness
B.
Appearance
C.
State
D.
Shipment
Câu hỏi con 4:(1 Điểm)
What will happen if you return a product before thirty days have passed?
A.
The company will ask you some questions.
B.
A customer service representative ... will have to send in a new purchase order
CAU 112
Câu hỏi con 1:(1 Điểm)
What kind of document is this?
A.
A job evaluation
B.
A novel
C.
A resume
D.
An essay on literature
Câu hỏi con 2:(1 Điểm)
Where ... of their findings.
A.
also
B.
than
C.
moreover
D.
While
CAU 75
If you bought a big-ticket item this year such as a car or boat, it may make
more_________for you to deduct the sales tax.
A.
basis
B.
sense
C.
cause
D.
Reason
CAU...