1 . Landing on the moon’s far side is ________ (extreme) challenging. （所给词的适当形式填空）

2 . Provide ________(finance)aid and other benefits for local peoples. (所给词的适当形式填空）

3 . (2018·全国III)I quickly lower myself, ducking my head to avoid __________(look) directly into his eyes so he doesn’t feel __________(challenge).

4 . _____is known to all, China will be an _____and powerful country in 20 or 30 years or so.

A．That; advancing

B．This; advanced

C．As; advanced

D．It; advancing

5 . The weather in April is ________ (change), so you’d better take more clothes with you. (所给词的适当形式填空)

6 . When the house was built, it was much ________ (small) than it is today. （所给词的适当形式填空）

7 . Parents must be___________to the symptoms of the disease. (根据句意填空)

8 . One day the emperor wanted to get his portrait (画像) done so he called all great artists to come and present their ________ (fine) work, so that he could choose the best. （所给词的适当形式填空）

9 . The ________ (beauty) long branches covered with pink-colored buds (蓓蕾) make fantastic decorations. （所给词的适当形式填空）

10 . ________ and out of breath, we reached the top of the mountain and stopped ________ the beautiful scenery.

A．Exhausting; to admire	B．Exhausting; admiring
C．Exhausted; to admire	D．Exhausted; admiring