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【单选题】
The man who helped Polly out of trouble was ________.A.
the man who watched Polly on the train
B.
an old blind man who always helps others in the fog
C.
the old man who made heavy footsteps behind her
D.
an old man who always gets lost in the heavy fog
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【简答题】When she heard that the tickets had been sold out, she was d______( 失望 ).
【单选题】She felt really bad when she realized that she had lost her watch. It wasn't expensive but it had sentimental______.
A.
expense
B.
price
C.
value
D.
charge
【简答题】算一算． 19×8≈ 71×8≈ 897×4≈ 571×3≈ 47×5≈ 213×8≈ 199×7≈ 145×4≈
【简答题】131I的主要不良反应是 查看材料