$1$. Only through industrialization can developing countries achieve and maintain rapid economic growth, create more jobs, diversify and modernize their economies to meet basic needs of the people.

$2$. Mobile phones are a great advancement in science and technology in the field of telecommunications. But people suspect that they are harmful to health.

$\color{#CCFF99}{\text{A}}$$\color{#99FF99}{\text{l}}$$\color{#33FF99}{\text{i}}$$\color{#00FF99}{\text{n}}$$\color{#99FFCC}{\text{a}}$$\color{#66FFCC}{\text{a}}$$\color{#00FF33}{\text{a}}$$\color{#00FFCC}{\text{a}}$$\color{#00FFFF}{\text{a}}$