テレビを見( )食事をしてはいけません。
A. て
B. ながら
C. た
D. ている
If we hadn't had your help, we()the project so easily.
A. would not finish
B. could not have finished
C. can not finish
D. will not finish
The whole book contains 13 units,()three mainly revisions.
A. to include
B. being included
C. included
D. including
急性上消化道大量出血指的是
A. 24小时内失血量至少超过500ml或循环血量的10%
B. 24小时内失血量至少超过1000ml或循环血量的10%
C. 24小时内失血量至少超过1000ml或循环血量的20%
D. 24小时内失血量至少超过2000ml或循环血量的10%
E. 24小时内失血量至少超过2000ml或循环血量的20%