Read the passage and choose the correct answer (A, B, C or D).

Earth, our beautiful home planet, is the only astronomical object to accommodate life (23) . . . . . we know it. Scientists believe Earth was (24) . . . . . approximately 4.5 billion years ago. It is the fifth-largest (25) . . . . . in our solar system. Its equatorial diameter is about 12,074 kilometres. Earth is the third-closest planet to the sun. The distance from Earth to the sun is roughly 149,600,000 kilometres. It (26) . . . . 365,3 days for Earth to obit the sun, and 24 hours to rotate on its axis. The surface temperature ranges from -88 to 58°

C. Nearly 70 percent of Earth’s surface is covered by ocean, (27) . . . . has an average depth of about 4 kilometres. In 2015 it was estimated that 7,3 billion humans are living on Earth.

Question 26:

A. has

B. takes

C. gets

D. begins

By the end of next month, we ________ our English course.

A. have completed

B. completed

C. will have completed

D. will be completed

3,8 mà cũng thích 1 6 nữa

Hoa Kì được thành lập vào năm

A. 1532.

B. 1654

C. 1776

D. 1898.

có AD + DB = AE + EC
mà AD = AE
=> DB = EC và \(\widehat{B}=\widehat{C}\)
=> BDEC cân
có A + B + C = 180
=> 2B = 180 - 50 = 130
=> B = 65 = C
mà B + BDE = 180 = C + CED
=> BDE = CED = 115

có n + p + e = 52 <=> 2p + n = 52
<=> 2p + (2p +1 ) = 52
=> 4p = 51
<=> p = 12.75 ~ 13 tra bảng hộ mình nha