The ______ of her words meant that I had hurt her feelings.

A.最佳含水率wo，最大干密度ρdmax

B.天然含水率w，天然密度ρ

C.最佳含水率wo，最大密度ρmax

D.天然含水率w，最大干密度ρdmax

A.EO，EI

B.WO，WI

C.NO，NI

D.QO，QI

A.SO战略

B.WO战略

C.ST战略

D.WT战略

A.so战略

B.wo战略

C.ST战略

D.WT战略

I ______ to the meeting on time, but I had a flat tire on the way.

A. would be

B. would have been

C. were

D. had been

Which of the following is true according to this passage？

A．Not until about 1960 did the word bionics come into being.

B．Bionics is the study of the systems in animals.

C．Bionics is the only study of the eyes and ears of some creatures.

D．People didn't know much about the science of bionics until 1960.

The landlord asked the boys to eat in the house because _______.

A.he was afraid the dog would eat their food

B.he was afraid the dog would bite them

C.he thought other people would see the bad food for the boys

D.he was afraid the boys would play with the dog

A.him

B.her

C.them

D.her

A.her to a chair

B.to her to a chair

C.her a chair

D.a chair to her