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．where |
C．what |
D．which |
Chinese must have the largest number of speakers, ________ ?
|
A．mustn’t that |
B．haven’t they |
|
C．don’t they |
D．doesn’t it |
More Than a Game, a documentary which follows NBA star LeBrown James’s path
_________ a star, came out on October 2, 2009 in the US.
|
A．to become |
B． to becoming |
C． in becoming |
D．during becoming |
A: What’s the matter, Sara? You wear a sad look on your face.
B: Oh, nothing much. As a matter of fact, I _______ of my friends back home.
|
A．just thought |
B．have just been thinking |
|
C．was just thinking |
D．have just thought |
As Hubble is above the Earth’s atmosphere, which disturbs starlight, Hubble’s images are much sharper than ________ of other Earth-based telescope.
|
A．one |
B．ones |
C．that |
D．those |
The director of the language training department said that they needed to keep making an effort to tailor their programs __________ the needs of the individual.
|
A．to |
B．for |
C．by |
D．about |
