Đề: Ở 1 loài bí, khi thực hiện giao phấn giữa các cây bố mẹ (P) với nhau thu được F1 240 cây bí quả tròn và 80 cây bí quả dài

a. Biện luận và lập sơ đồ từ P đến F1

b. Cho các cây bí có quả tròn ở F1 tự thụ phấn, xác định kết quả F2

Các bạn giúp mình với, ngày mai mình kt 15 rồi

Cảm ơn nhiều

Giúp mình vs

Viết đoạn văn Tiếng Anh

Many people think that nowadays students spend less time in reading books. In what ways is reading books necessary and important to you.

1. I didn't arrive as early as I expected ( than)

= I .................................................... expected

2. We first met five years ago. Do you remember? ( our)

= Do you remember ..................................... five years ago?

3. It took my grandpa three months to recover from his illness ( over)

= It took my grandpa ........................................... his illness

4. It is difficult to discover what is true ( truth)

= The .......................................................... discover

5. All the guests enjoyed themselves at the party apart from George ( who)

= George was .................................................. at the party

6. John hasn't had an answer to his email yet ( still)

= John ............................................ an answer to his email

7. I must go to the dentist, and get my teeth taken care of ( seen)

= I must go to the dentist ........................................................

8. The teacher advised us not to be late on Monday ( better)

= " You ....................................on Monday", the teacher said

9. I'm sorry I forgot to phone you ( for)

= I ....................................................... phone you

10. There are English and French tramslations of the book ( been)

= The book .............................................. English and French

Điền từ còn thiếu vào chỗ trống

1. Vega 12 was s_ _ _ _ _ _ _ _ as a holiday planet by an explorer ( 8 chữ)

2. She was a_ _ _ _ _ _ first prize in the gymnastics competition ( 6 chữ)

3. " Did you sleep well?", he asked p_ _ _ _ _ _ _ . ( 7 chữ)

4. Some successful language learners might be interested in the culture that the language c_ _ _ _ from. ( 4 chữ)