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1.       Beberapa metode pencegahan korosi besi:
1)  Mengecat
2)  Melumuri oli
3)  Dibalut dengan plastic
4)  Perlindungan katoda
5)  Galvanisasi
Metode yang paling tepat digunakan untuk melindungi pipa besi yang ada didalam tanah adalah…. (UN 2009)


1. Bacalah paragraf berikut !
Harga barang kebutuhan pokok daerah sungai Barito di pedalaman Kalimantan Tengah
terus merambat naik seiring dengan semakin dangkalnya alur sungai tersebut. Surutnya air
sungai Barito mengakibatkan pengangkutan bahan kebutuhan pokok ke wilayah
pedalaman terhambat dan biayanya lebih mahal.
Masalah yang disorot dalam paragraf di atas adalah ........


The problem of over population in Indonesia is made worse by the fact that fifty percent
of all Indonesians are below the age of eighteen years. Most of them are dependents. They do
not earn money to support themselves and are in need of many facilities like food, medical care,
clothing, education, and employment opportunities. Although a large number of them are forced
to drop out of school to earn a living, the government. still has to spent a very large part of its
revenue on education. Then comes the problem of creating enough jobs for every new
generation of school leavers or college graduates.
                  Although the problem of overcrowded cities is difficult to solve, there is a solution to the
problem of people living in overcrowded areas of the countryside. The solution is internal
migration. This means moving poor people from the countryside to different but underdeveloped
parts of Indonesia, where they may work to build a new life themselves. In Indonesia, there are
large and active resettlement programmes of his sort which have given a new life to thousands
of people.

1. What is mainly discussed in the text?


1 . Dalam sistem pengelompokan tumbuhan ada beberapa macam cara tergantung dari macam
kelompoknya. Kelompok tumbuhan di bawah ini yang merupakan keanekaragaman tingkat
jenis dalam satu genus, adalah ........
A . Aren, kelapa, pinang
B . Lengkuas, jahe, kunir
C . Kacang tanah, kacang panjang, kacang hijau
D . Jeruk bali, jeruk nipis, jeruk peras
E . Bawang merah, bawang daun, bawang putih


1. Tiga buah vektor gaya masing-masing F1= 30 N, F2 = 70 N, dan F3= 30 N, disusun
seperti pada gambar di bawah. Besar resultan ketiga vektor tersebut adalah ........ 
A . 0 N
B . 70 N
C . 85 N 
D . 85  N
E . 100 N