A. the same work as
B. less important work than
C. more work than
D. as important work as
[单选题]What will scientists do to make sure the poison works this time?A. They will try some of it themselves.B. They will use a special kind of poison.C. They will drain the lake first.D. They will only put the poison in the wells.
[单选题]What did the scientists do to find out if the e-nose worked?A. They presented it with all common crops..B. They fixed 13 sensors inside the device.C. They collected different damaged leaves.D. They made tests on damaged and healthy leaves.
[单选题]D.o scientists know how many cryptic species exist?A.Not yet.B.Yes, they do.C.They will know the answer in another one or two years.D.They will never know the answer.
[单选题]Scientists workingon a problem do not know and sometimes can't even guess w
[单选题]Scientists workingon a problem do not know and sometimes can't even guess w
[单选题]Scientists workingon a problem do not know and sometimes can't even guess w
[单选题]Scientists workingon a problem do not know and sometimes can't even guess w
[单选题]Scientists workingon a problem do not know and sometimes can't even guess w
[单选题]Excerpt 1 Do you remember all those years when scientists argued that smok
[单选题]Excerpt 1 Do you remember all those years when scientists argued that smok