It is uncertain side effect the medicine will bring about, although about two thousand patients have taken it.

A．that

B．what

C．how

D．whether

[单选题] Project（）is an uncertain event or condition that ,if it occurs ,has a positive or a negative effect on at least one project objective ,such as time ,cost ,scope or quality（）A. risk B. problem C. result D. data

[单选题]Project ______is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．A．riskB．problemC．resultD．data

[单选题]The top of the Great Wall is ______for five horses to go side by side.A.wid

[单选题]The top of the Great Wall is ______for five horses to go side by side.A.wid

[单选题] Project（71）is an uncertain event or condition that, if it occurs, has a positive or a negative effect on at least one project objective, such as time, cost, scope, or quality.（71）A．riskB．problemC．resultD．data

[单选题]medicineA． twice B. medical C. perfect D. clinic

[单选题]medicine A. twice B. medical C. perfect D. clinic

[单选题]France and several other European countries sent their medical teams to wor

[单选题]In the expression “On the other side of the coin” in Para. 3, “the coin” is used to refer to______。A． the misunderstanding of scienceB． the scientific explanationC． the money needed in scientific researchD． the curiosity of scientists and nonscientis

[单选题]C．learly the medicine ______.A．may be dangerous for small childrenB．can't be taken by children under twelve years oldC．may be taken by children but not by adultsD．may be taken by adults but not by children