我国将炭疽列为一类动物疫病。
参考答案:错
Yao Ming _____ THE ROCKET (火箭队) for years.[ ]
A. has joined
B. has gone to
C. has been in
D. has taken part in
天然水中的碳酸氢根HCO3-主要是水中()和()反应后产生的。