驾驶训练中，教练员可以根据训练项目的特点和学员的学习情况，选择集中训练或分散训练。
参考答案：对
It is always difficult being in a foreign country, _____ if you do not speak the language. [ ]
A. extremely
B. naturally
C. basically
D. especially
全国双拥模范城（县）多长时间命名一次？
