27．—Oh, how depressed! I am bound to lose to him in tomorrow’s competition.

—Cheer up! In fact, he is___________than you!

A．not more nervous

B．no more nervous

C．no less nervous

D．a little less nervous

读图，回答下列问题．

（1）此图中阳光直射的纬线是______，地方时为0点的经线是______，图中D点的地方时______点，图中AB是______（晨、昏）线．

（2）这一天是______月______日前后，北半球为______日．

（3）A在______（东、西）半球；B在______（南、北）半球．