Nursing implications for a client taking central nervous system (CNS) stimulants include monitoring the client for which of the following conditions

A. Hyperpyrexia, slow pulse, and weight gain.
B. Tachycardia, weight loss, and mood swings.
C. Hypotension, weight gain, and listlessness.
D. Increased appetite, slowing of sensorium, and arrhythmias.

我国南方地区农作物（　　）

A．一年一熟

B．一年二熟

C．一年二熟至三熟

D．两年三熟