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kimkhanh171201
1 năm trước
Tại sao đinh vít bằng sắt có ốc bằng đồng bị kẹt có thể mở đưoc dễ dàng khi hơ nóng, còn đinh vít bằng đồng có ốc bằng sắt lại không thể làm như thế dược. Giúp em vs ạ mai em thi hk r
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After we had been marching for two weeks, getting soaked by daily rains and living entirely on the (1) ____ we carried with us, we found footprints. Two people were (2) _____ of us and travelling fast. We followed them. Each morning, when we (4) _____ off again after a night’s sleep, we found their tracks in the forest nearby and (6) _____ they had been watching us the (7) _____ evening. One night we (8) _____ gifts in the forest but they (9) _____ not touched. We called out greetings (10) _____ the language of the river people but we did not know (11) _____ this unknown tribe were able to understand it. In any case there was no reply. We continued day by day until eventually we lost all sign of their movements. After three weeks we had almost given up hope of making contact. Then early one morning we got up to find seven men standing within a (17) _____ yards of our tent. They were very small and wore nothing except a wide belt of green leaves (19)______ that around their waist. Two of the men had earrings and necklaces made of bones and one carried a women (20) _____ full of roots and fruit.

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