He is assigned to oversee the production of the assembly lines.
A. supervise B) watch C)suspect D)predict
A team of scientists has
A. erected a pressure-releasing pipe in the lake
B. identified the gases at the bottom of the lake
C. built a beautiful fountain near the lakes
D. removed all dangerous gases from the lakes
Which is Not mentioned as a way to prevent chronic-disease deaths？
A. timely medical treatment
B. healthy eating
C. more physical activity
D. reduction in drinking and smoking
A．tell B．says C．informs D．expresses
A. tell
B. says
C. informs
D. expresses
微信支付 
支付宝支付