芸香科植物的果实类药材有

The invention of chopsticks ______ the wisdom of Chinese ancient people.

A、deflects

B、reflects

C、conflicts

D、relicts

A、Water is key resource in planting

B、The amount of water changes a lot in seasons

C、Water engineering could adjust the time of planting

D、Water engineering reflects the wisdom of Chinese

A、The use of chopsticks featured the coming of civilization to food culture.

B、The appearance of chopsticks indicated the scientific advancement in ancient China.

C、The use of chopsticks was a living example of the application of the lever principle of mechanics.

D、The appearance of chopsticks declared the discovery of a great scientific theory.

are ________; 3.Disposable chopsticks shouldn’t be ___________; they should be ______; 4.The woman thinks that the production of disposable chopsticks should __________; 5.The woman feels _______ to throw these chopsticks away; 6.They agree that it is necessary to _____________ and everybody should be __________.

A gene for chopsticks flexibility is found to be______.

A．unrelated to the ability to use chopsticks

B．related to the ability to use chopsticks

C．unrelated to the ability to use forks

D．related to the ability to use forks

A gene for chopsticks flexibility is found to be ______.

A．unrelated to the ability to use chopsticks

B．related to the ability to use chopsticks

C．unrelated to the ability to use forks

D．related to the ability to use forks

There ______ some chopsticks on the table.

A、are

B、is

C、have

D、was

A、beating the bowl

B、inserting chopsticks vertically into the rice

C、poking food freely with chopsticks

D、moving about freely with chopsticks

The tradition of using chopsticks was introduced ______ many other countries.

A、with

B、of

C、from

D、to