tại sao học sinh lại chọn cách học vẹt, học tủ ?

lợi ích và tác hại của học vẹt, học tủ?

Yêu cầu của nghề điện dân dụng là:

A. Về sức khỏe

B. Nhan sắc

C. Tuổi trên 50

D. Cả 3 đáp án trên

Cho đường tròn (C): x 2 + y 2 + 8 x + 6 y + 5 = 0 và đường thẳng ∆: 3x – 4y + m = 0. Giá trị của m để đường thẳng cắt đường tròn theo dây cung dài nhất là

A. m = 0

B. m = 2

C. m = 4

D. m = 6

Read the following passage and mark A, B, C, or D to indicate the correct answer to eac of the blanks.

American folk music originated with (31)________ people at a time when the rural population was isolated and music was not (32)________ spread by radio, records, or music video. It was (33)_______ by oral traditional and is noted for its energy, humor, and emotional impact. The major source of early American folk songs was music from the British Isles, but songs from Africa as songs of the American Indians have significant part in its heritage. Later settler from other countries also contributed songs. In the nineteenth century, composer Steven Foster wrote some of the most enduringly popular of all American songs, (34)_________ soon became part of the folk tradition. Beginning in the 1930s, Woody Guthrie gained great popularity by adapting melodies and lyrics and supplying new ones as well. In the 1950s and 1960s, singer – composers such as Peter Seeger, Bob Dylan, Joan Baez continued this tradition by urban’ folk music. Many of these songs deal (35)________ important social issue, such as racial integration and the war in Vietnam.

Question 32:

A. even

B. still

C. until

D. yet

Tính:

a)  48 , 7 + 25 , 8 × 0 , 1 + 0 , 63

b)  49 , 58 : 2 , 03 + 1 , 67 + 6 , 6

c)  235 , 6 − 166 , 21 : 2 , 7 − 19 , 84

It is a calculating machine which speeds up calculations: it can add, subtract, multiply, and divide with lightning speed and perfect accuracy.

A. full

B. total

C. capable

D. exact