A：大肠杆菌
B：酵母菌
C：T4噬菌体
D：质粒DNA
ear 译为：鼻子
Summer is .
四项基本原则是____，是我党、我们国家生成发展的____。
⑴____ A. out B. shout C. house D. would
⑵____ A. tie B. big C. wish D. trick
⑶____ A. world B. important C. score D. more
⑷____ A. area B. bean C. cheap D. meat
⑸____ A. include B. number C. pumpkin D. fun
