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If both parents are blood type AB, then their children can NOT be . A. blood type O B. blood type B C. blood type AB D. blood type AB There are some very good things about open education. This way of teaching allows the students to grow as people, and to develop their own interests in many subjects. Open education allows students to be responsible for their own education, as they are responsible for what they do in life. Some students do badly in a traditional classroom. The open classroom may allow them to enjoy learning. Some students will be happier in an open education school. They will not worry about grades or rules. For students who worry about these things a lot, it is a good idea to be in an open classroom. But many students will not do well in an open classroom. For some students, there are too few rules. These students will do little in school. They will not make good use of open education. Because open education is so different from traditional education, these students may have a problem getting used to making so many choices . For many students it is important to have some rules in the classroom. They worry about the rules even when there are no rules. Even a few rules will help this kind of students. The last point about open education is that some traditional teachers do not like it. Many teachers do not believe in open education. Teachers who want to have an open classroom may have many problems at their schools. 【查看更多】

閱讀理解

	A	B	O	AB
A	A,O	A,B,O,AB	A,O	A,B,AB
B	A,B,O,AB	B,O	B,O	A,B,AB
O	A,O	B,O	O	A,B
AB	A,B,AB	A,B,AB	A,B	A,B,AB

小題1:If both parents are blood type O, then their children must be _________.

A．blood type A

B．blood type B

C．blood type AB

D．blood type O

小題2: If a father is blood type A and a mother is blood type B, then children’s blood types may be ________.

A．any blood type	B．blood type A and B
C．blood type AB and O	D．blood type A,B and AB

小題3:If both parents are blood type AB, then their children can NOT be ________.

A．blood type A

B．blood type AB

C．blood type O

D．blood type B

小題4: If four children of the same parents are blood type A , B, O and AB, then their parents should be ________.

A．blood type A and B	B．blood type A and AB
C．blood type B and AB	D．blood type AB and AB

小題5: If one parent is blood type AB, and his or her nine children only get blood type A and B, then the other parent’s blood type is likely to be __________.

A．blood type A

B．blood type B

C．blood type AB

D．blood type O

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Humans have four blood types（血型）. They are blood type A, B, O and AB.

The table below shows all kinds of possible blood types of parents and their children. Children’s blood types are shown in grey squares.

MOTHER FATHER	A	B	O	AB
A	A, O	A, B, O, AB	A, O	A, B, AB
B	A, B, O, AB	B, O	B, O	A, B, AB
O	A, O	B, O	O	A, B
AB	A, B, AB	A, B, AB	A, B	A, B, AB

( ) 56. If both parents are blood type O, then their children must be ________.

A. blood type A B. blood type B

C. blood type AB D. blood type O

( ) 57. If a father is blood type A and a mother is blood type B, then their children’s blood types may be __________.

A. any blood type B. blood type A and B

C. blood type AB and O D. blood type A, B and AB

( ) 58. If both parents are blood type AB, then their children can NOT be ____.

A. blood type A B. blood type AB

C. blood type O D. blood type B

( )59. If both children of the same parents are blood type A, B, O and AB, then their parents should be __________.

A. blood type A and B B. blood type A and AB

C. blood type B and AB D. blood type AB and AB

( ) 60. If one parent is blood type AB, and his or her nine children only get blood type A and B, then the other parent’ s blood type is likely to be（可能）__________.

A. blood type A B. blood type B C. blood type AB D. blood type O

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閱讀理解

	A	B	O	AB
A	A,O	A,B,O,AB	A,O	A,B,AB
B	A,B,O,AB	B,O	B,O	A,B,AB
O	A,O	B,O	O	A,B
AB	A,B,AB	A,B,AB	A,B	A,B,AB

1.If both parents are blood type O, then their children must be _________.

A. blood type A B. blood type B C. blood type AB D. blood type O

2. If a father is blood type A and a mother is blood type B, then children’s blood types may be ________.

A. any blood type B. blood type A and B

C. blood type AB and O D. blood type A,B and AB

3.If both parents are blood type AB, then their children can NOT be ________.

A. blood type A B. blood type AB C. blood type O D. blood type B

4. If four children of the same parents are blood type A , B, O and AB, then their parents should be ________.

A. blood type A and B B. blood type A and AB

C. blood type B and AB D. blood type AB and AB

5. If one parent is blood type AB, and his or her nine children only get blood type A and B, then the other parent’s blood type is likely to be __________.

A. blood type A B. blood type B C. blood type AB D. blood type O

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閱讀理解

	A	B	O	AB
A	A,O	A,B,O,AB	A,O	A,B,AB
B	A,B,O,AB	B,O	B,O	A,B,AB
O	A,O	B,O	O	A,B
AB	A,B,AB	A,B,AB	A,B	A,B,AB

【小題1】If both parents are blood type O, then their children must be _________.

A．blood type A

B．blood type B

C．blood type AB

D．blood type O

【小題2】 If a father is blood type A and a mother is blood type B, then children’s blood types may be ________.

A．any blood type	B．blood type A and B
C．blood type AB and O	D．blood type A,B and AB

【小題3】If both parents are blood type AB, then their children can NOT be ________.

A．blood type A

B．blood type AB

C．blood type O

D．blood type B

【小題4】 If four children of the same parents are blood type A , B, O and AB, then their parents should be ________.

A．blood type A and B	B．blood type A and AB
C．blood type B and AB	D．blood type AB and AB

【小題5】 If one parent is blood type AB, and his or her nine children only get blood type A and B, then the other parent’s blood type is likely to be __________.

A．blood type A

B．blood type B

C．blood type AB

D．blood type O

查看答案和解析>>

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