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2 năm trước
Một tb của lợn có 2n=38 trải qua quá trình giam phân hình thành giao tử. số NST và số cromatit ở kì giữa 1 là bao nhiêu
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a...... (flu)fill in each blank with the correct from of the word in brakets 1.last weak,all members of the class (have)............a cold.They (keep).........coughing and sneezing 2.hurry up!We (wait)........for you.IF you are slow,we (miss)..........the bus 3.Hoa's father (be).............a painter.He (decorate)...............his 4.Mr Tan (not it).............in.lat's surgery now.He (leave)...............two hours a go 5.last month,her mother (teach)............her how to use a se wing machine.she (make)...........a new dress for her sister tonight b) fill in each blank with the correct from of the word in the word in barckets 1.Lan's brother is a...................he play it very well (pianno) 2.where is the ...................post office from here? (near) 3.She often flees...............when she gets bad marks (happy) 4.I don'n like ............days (rain) 5.there is a very.................morie on at the fansland cinema.(interest) 6.you will be.............a fter your summer holiday (healthy) 7.what is the.....................sport in your country? (popular) 8.I'd like anice ...............orange (juice) 9.Your house is .............. from our school than mine (far) 10.lan is good at english .she can speak english ................ent)

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