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【單選題】
果園中有許多不同品種的桃樹，開花時蜜蜂相互傳粉，但不同的果樹結出各自口味不同的果實，不會因互相傳粉而改變口味。這是因為 （ ）
A.
只傳粉而沒有受精
B.
桃子的雌蕊不接受其它品種植物的花粉
C.
傳粉受精但沒有改變種子的基因型
D.
傳粉受精并不改變果實的果肉細胞的基因型
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舉報參考答案：
舉一反三
【單選題】Which of the following elements is of little help in Lin's success?
A.
his father's influence
B.
his devotion to basketball
C.
his years of hard work
D.
his graduation from Harvard University
【單選題】Why did Elizabeth say to her father, “But, Dad, you can’t be healthy if you’re dead”?
A.
He was driving at a great speed.
B.
He was running across the street.
C.
He didn’t have his safety belt on.
D.
He didn’t take his medicine on time.
【單選題】Arthur is a college student who majors in geography（地理）and wants to admire wonders of nature in the world this summer vacation.
A.
B.
C.
D.
E.
【單選題】What is the advice given in the text?
A.
Never drive faster than 30 miles an hour.
B.
Try your best to save yourself in a car accident.
C.
Never forget to wear the safety belt while driving.
D.
Drive slowly while you’re not wearing a safety belt.
【單選題】What does the phrases "wore off" in sh paragraph probably mean?
A.
arose
B.
disappeared
C.
grew
D.
remained
相關題目：
【單選題】Which of the following elements is of little help in Lin's success?
A.
his father's influence
B.
his devotion to basketball
C.
his years of hard work
D.
his graduation from Harvard University
【單選題】Why did Elizabeth say to her father, “But, Dad, you can’t be healthy if you’re dead”?
A.
He was driving at a great speed.
B.
He was running across the street.
C.
He didn’t have his safety belt on.
D.
He didn’t take his medicine on time.
【單選題】Arthur is a college student who majors in geography（地理）and wants to admire wonders of nature in the world this summer vacation.
A.
B.
C.
D.
E.
【單選題】What is the advice given in the text?
A.
Never drive faster than 30 miles an hour.
B.
Try your best to save yourself in a car accident.
C.
Never forget to wear the safety belt while driving.
D.
Drive slowly while you’re not wearing a safety belt.
【單選題】What does the phrases "wore off" in sh paragraph probably mean?
A.
arose
B.
disappeared
C.
grew
D.
remained
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