[单项选择]If tulip bulbs(郁金香鳞茎) are planted (in the fall), they (could have been) expected (to bloom) the (following) spring.（）
A. in the fall
B. could have been
C. to bloom
D. following

[单项选择]If tulip bulbs(郁金香鳞茎) are planted (in the fall), they (could have been) expected (to bloom) the (following) spring.（）
A. in the fall
B. could have been
C. to bloom
D. following

[单项选择]郁金香鳞茎寿命约为( )年，母球在当年开花并分生新球及子球后干枯死亡。
A. 1
B. 3
C. 5
D. 7

[单项选择]平贝母的幼小鳞茎常用来冒充（）
A. 浙贝
B. 青贝
C. 炉贝
D. 松贝
E. 珠贝

[单项选择]药用为鳞茎外层的单瓣鳞叶为（）
A. 松贝
B. 青贝
C. 大贝
D. 珠贝

[多项选择]天南星科具有的地下变态茎为： (1)根状茎 (3)块茎 (2)鳞茎 (4)小块茎

[单项选择]What makes rain fall

[单项选择]郁金香的英文名是( )。
A. Barbadoslily
B. Lily
C. Hyacinth
D. Tulip

[单项选择]Why did the fox fall into the fiver


A. Because he was taking a walk.
B. Because he wanted to drink some water.
C. Because it was too dark.

[单项选择]Which of the following does NOT specifically fall into the service scope of Sceen blast


A. Enabling users to participate.
B. Enabling users to experience.
C. Enabling users to be a creator.
D. Enabling users to call to action.

[单项选择]Lighting levels are carefully controlled to fall within an acceptable level for optimal reading convenience.
A. ideal
B. required
C. optional
D. standard

[单项选择]Without air resistance, all objects would fall at the same speed ________ their weight.


A. regardless of
B. instead of
C. according
D. despite of

[单项选择]

Insomnia is the inability to fall asleep or sleep restfully. It is a problem to nearly everyone at some time. A person may be awake for an hour in the middle of the night and then, next morning, feel that he hardly slept all night. Normally, worrying about not getting enough sleep is the worst aspect of most insomnia. If insomnia is recurrent, however, it is important to find its possible causes and try to correct them, with the help of a doctor if necessary.
A large number of simple factors may make it difficult for someone to fall asleep or remain asleep. His mattress may be too soft or too hard. The bedroom itself may be overheated or too cold. If it is not dark enough, or too noisy, this may cause difficulty in sleeping. Eating shortly before going to bed may also be responsible for insomnia. Stimulating drinks, such as tea or coffee, can also keep people awake.
Inability to fall asleep is sometimes a symptom of emotional or mental disorders. Insomnia
A. Tranquillizers and sleeping pills can be used to cure insomnia.
B. Only the situational factors will affect our sleeping.
C. Stimulating drinks can force us to fall asleep.
D. We can decide how many sleeping pills to take on our own.