Read the following passage and mark the letter A, B,C or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks.

          When I was at school, sports day was the highlight of the year. Let me set the scene. First of all, on sports day, it was always bound (26) ___________       rain. Sunny weather? No such luck. Despite the previous two months of soaring temperatures, as likely as not, on the morning of the games, The temperature would plummet. So, imagine a hundred (27) ___________ small children, dressed in tight shorts and thin vests, shivering in the cold, unaware of the heartbreak that lies in store for them. Swept up by the excitement and desperate to win, tempers soon get frayed. One girl finds herself disqualified from the egg and spoon race despite giving it everything she’s got, and another boy, (28)_____ jealous of the winner of the sack race, makes the mistake of being rude to him within earshot of the teachers. Scores of tiny children, bitterly disappointed at tasting defeat for the first time, break down and cry. Twenty years on, I’m certainly not (29) ___________ any young, but I do have some really lasting (30) _______ of those days at school!

Điền vào ô số 30

A. remembrances

B. mementoes

C. memories

D. souvenirs

A.  b ⋮ 11

B.  b ⋮ 11

C.  k a ⋮ 11

D.  k a ⋮ 11

Không thực hiện phép, tính điền dấu >; <; = thích hợp vào ô trống:

a) 2983 + 1347□1347 + 2938;

b) 93.253□243.83;

c) 3725 + 147.3□3752 +3.147

d) 3194 + 125. 11□3124 + 11.123

30000m = 300ha

bang cach co xat

vat bi nhiem dien co kha nang hut cac vat khac va lam sang bong den but thu dien

Phân số lớn nhất trong các phân số  3 4 ; 7 7 ; 3 2 ; 4 3  là:

A.  3 4

B.  7 7

C.  3 2

D.  4 3

Tìm  n   ∈   N *  để

1.n⁴ + 4 là số nguyên tố.

2.n²⁰⁰³ + n²⁰⁰² + 1 la số nguyên tố