In the past few years, research has suggested that Vitamin D may increase the level of serotonin（血清素）, one of the key nurotransmitters influencing our mood, and ________it helps to relieve mood disorders. 
A．that B．whereC．whatD．which
練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：高中英語 來源：不詳 題型：單選題

Such people _______ knew Tom thought he was something of a musician.
A．whoB．thatC．a(chǎn)sD．whom

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

China’s New Food Act provides for a food recall system    to producers have to stop production      their food isn’t up to standards.
A．that; ifB．where; ifC．which; whenD．when; where

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

The belief is generally held_____communicative skill is a must nowadays in hunting for a job.
A．whatB．thatC．whichD．a(chǎn)s

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

       matters most in learning English is enough practice.
A．WhatB．WhyC．WhereD．Which

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

We were about to climb up to the top of the mountain ________ it began to rain heavily.
A．a(chǎn)sB．whileC．whenD．since

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

In nature some animals actively defend the area ____they depend for the resources.
A．in whichB．on whichC．whichD．where

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

We have produced much more cars this year, ____ is said in the report.
A．a(chǎn)sB．likeC．thisD．that

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

It was in such a good place ______ everyone wanted to go to and visit ______ I came across the lady.
A． that; thatB． that; asC． as; thatD． as; as

查看答案和解析>>

同步練習(xí)冊(cè)答案