Ý nghĩa quan trọng nhất cảu cách mạng tháng Tám 1945 là 

Ở 1 loài động vật, có 8 tế bào sinh tinh có kiểu gen ABD/abd tiến hành giảm phân tạo tinh trùng. Trong đó có 4 tế bào xảy ra hoán vị tại 1 điểm giữa A và B. 4 tế bào còn lại không hoán vị. Số phát biểu đúng:

I. Có tối đa 8 loại giao tử được tạo ra

II. Tỉ lệ giao tử được tạo ra là 3:3:1:1

III. Tỉ lệ giao tử liên kết chiếm 3/4

Everyone knows that you have a crush on Lauren, so you might as well just confess_ it!

A. about  B. of  C. to D. from

 Whenever I have a problem, I talk to my best friend. She always _a sympathetic ear.

C. addsD. lends A. offers B. borrows

Someone suggested that we play a party game to    ___the ice. 

D. beat  C. go A. smash  B. break 

He always __a fuss of his grandchildren.A. builds     B. makes C. puts D. brings

I ended up quarreling___ my teacher over the grade she gave me for my project.

D. on C. up B. for A. with

His mother and I don't see__ to eye about his decision to drop out of college.

 Don't be afraid to___the initiative and say what you think.

I haven't spoken to my brother in 10 years, but I still hope to reconcile_him some day. A. along B. from C. with  D. to 

Helen has a heart _stone. She never even smiles.

I'm glad you two finally kissed and _up. It was awkward with you fighting. A. brought B. made C. caught

We were great friends at school but drifted___ when we went to different universities. A. apart В. up C. fromD. through 

We'll need to___some distance between us and that bomb before it explodes!

A. set

B. move

C.lay

D. put 

9. He has five kids, but his only daughter is clearly the___of his eye.

 The decision to terminate the tax cuts in 2010 as a money-saving measure quickly

___under attack from Democrats. A. went

B. run    C. came    D. arrived

I appreciate the thought, but I don't need you springing___my defense every time someone starts arguing with me 

Which songs from the last year will___the test of time? Astop Bstay C.get  Dstand

She was never able to_the rift between herself and her father. A. heal B. repair

C. catch  D. built

I know you two don't see eye to eye, but if you really sat down and had a heart to heart___I think you'd realize you are both working toward the same goal. A. say B.tell  C. talk  D. show

You should always try to be _friendly terms with your boss. A. from B. with C. through D. on 

The politician remained indifferent to the city's poverty crisis, causing many of his detractors to accuse him of having a heart of___ A. rock B.jewel C. stone  D. pebble

She hit___ him at the party and they went back to her house. A. with B. on C. as D.at

 Thomas and Kath go___years.

C. reverse A. move B. recede  D. back